20305267920

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1873}}^1$

素因数の和:2144

約数の個数: 400

約数和(自身を含む): 80978388480

約数和(自身を除く): 60673120560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 239, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 478, 504, 540, 560, 567, 630, 648, 717, 720, 756, 810, 840, 945, 956, 1008, 1080, 1134, 1195, 1260, 1296, 1434, 1512, 1620, 1673, 1680, 1873, 1890, 1912, 2151, 2160, 2268, 2390, 2520, 2835, 2868, 3024, 3240, 3346, 3585, 3746, 3780, 3824, 4302, 4536, 4780, 5019, 5040, 5619, 5670, 5736, 6453, 6480, 6692, 7170, 7492, 7560, 8365, 8604, 9072, 9365, 9560, 10038, 10755, 11238, 11340, 11472, 12906, 13111, 13384, 14340, 14984, 15057, 15120, 16730, 16857, 17208, 18730, 19120, 19359, 20076, 21510, 22476, 22680, 25095, 25812, 26222, 26768, 28095, 28680, 29968, 30114, 32265, 33460, 33714, 34416, 37460, 38718, 39333, 40152, 43020, 44952, 45171, 45360, 50190, 50571, 51624, 52444, 56190, 57360, 60228, 64530, 65555, 66920, 67428, 74920, 75285, 77436, 78666, 80304, 84285, 86040, 89904, 90342, 96795, 100380, 101142, 103248, 104888, 112380, 117999, 120456, 129060, 131110, 133840, 134856, 135513, 149840, 150570, 151713, 154872, 157332, 168570, 172080, 180684, 193590, 196665, 200760, 202284, 209776, 224760, 225855, 235998, 240912, 252855, 258120, 262220, 269712, 271026, 301140, 303426, 309744, 314664, 337140, 353997, 361368, 387180, 393330, 401520, 404568, 447647, 449520, 451710, 471996, 505710, 516240, 524440, 542052, 589995, 602280, 606852, 629328, 674280, 677565, 707994, 722736, 758565, 774360, 786660, 809136, 895294, 903420, 943992, 1011420, 1048880, 1061991, 1084104, 1179990, 1204560, 1213704, 1342941, 1348560, 1355130, 1415988, 1517130, 1548720, 1573320, 1769985, 1790588, 1806840, 1887984, 2022840, 2123982, 2168208, 2238235, 2359980, 2427408, 2685882, 2710260, 2831976, 3034260, 3133529, 3146640, 3539970, 3581176, 3613680, 4028823, 4045680, 4247964, 4476470, 4719960, 5309955, 5371764, 5420520, 5663952, 6068520, 6267058, 6714705, 7079940, 7162352, 8057646, 8495928, 8952940, 9400587, 9439920, 10619910, 10743528, 10841040, 12086469, 12137040, 12534116, 13429410, 14159880, 15667645, 16115292, 16991856, 17905880, 18801174, 20144115, 21239820, 21487056, 24172938, 25068232, 26858820, 28201761, 28319760, 31335290, 32230584, 35811760, 36259407, 37602348, 40288230, 42479640, 47002935, 48345876, 50136464, 53717640, 56403522, 60432345, 62670580, 64461168, 72518814, 75204696, 80576460, 84605283, 84959280, 94005870, 96691752, 107435280, 112807044, 120864690, 125341160, 141008805, 145037628, 150409392, 161152920, 169210566, 181297035, 188011740, 193383504, 225614088, 241729380, 250682320, 253815849, 282017610, 290075256, 322305840, 338421132, 362594070, 376023480, 423026415, 451228176, 483458760, 507631698, 564035220, 580150512, 676842264, 725188140, 752046960, 846052830, 966917520, 1015263396, 1128070440, 1269079245, 1353684528, 1450376280, 1692105660, 2030526792, 2256140880, 2538158490, 2900752560, 3384211320, 4061053584, 5076316980, 6768422640, 10152633960, 20305267920]

約数ペア:

[(1, 20305267920), (2, 10152633960), (3, 6768422640), (4, 5076316980), (5, 4061053584), (6, 3384211320), (7, 2900752560), (8, 2538158490), (9, 2256140880), (10, 2030526792), (12, 1692105660), (14, 1450376280), (15, 1353684528), (16, 1269079245), (18, 1128070440), (20, 1015263396), (21, 966917520), (24, 846052830), (27, 752046960), (28, 725188140), (30, 676842264), (35, 580150512), (36, 564035220), (40, 507631698), (42, 483458760), (45, 451228176), (48, 423026415), (54, 376023480), (56, 362594070), (60, 338421132), (63, 322305840), (70, 290075256), (72, 282017610), (80, 253815849), (81, 250682320), (84, 241729380), (90, 225614088), (105, 193383504), (108, 188011740), (112, 181297035), (120, 169210566), (126, 161152920), (135, 150409392), (140, 145037628), (144, 141008805), (162, 125341160), (168, 120864690), (180, 112807044), (189, 107435280), (210, 96691752), (216, 94005870), (239, 84959280), (240, 84605283), (252, 80576460), (270, 75204696), (280, 72518814), (315, 64461168), (324, 62670580), (336, 60432345), (360, 56403522), (378, 53717640), (405, 50136464), (420, 48345876), (432, 47002935), (478, 42479640), (504, 40288230), (540, 37602348), (560, 36259407), (567, 35811760), (630, 32230584), (648, 31335290), (717, 28319760), (720, 28201761), (756, 26858820), (810, 25068232), (840, 24172938), (945, 21487056), (956, 21239820), (1008, 20144115), (1080, 18801174), (1134, 17905880), (1195, 16991856), (1260, 16115292), (1296, 15667645), (1434, 14159880), (1512, 13429410), (1620, 12534116), (1673, 12137040), (1680, 12086469), (1873, 10841040), (1890, 10743528), (1912, 10619910), (2151, 9439920), (2160, 9400587), (2268, 8952940), (2390, 8495928), (2520, 8057646), (2835, 7162352), (2868, 7079940), (3024, 6714705), (3240, 6267058), (3346, 6068520), (3585, 5663952), (3746, 5420520), (3780, 5371764), (3824, 5309955), (4302, 4719960), (4536, 4476470), (4780, 4247964), (5019, 4045680), (5040, 4028823), (5619, 3613680), (5670, 3581176), (5736, 3539970), (6453, 3146640), (6480, 3133529), (6692, 3034260), (7170, 2831976), (7492, 2710260), (7560, 2685882), (8365, 2427408), (8604, 2359980), (9072, 2238235), (9365, 2168208), (9560, 2123982), (10038, 2022840), (10755, 1887984), (11238, 1806840), (11340, 1790588), (11472, 1769985), (12906, 1573320), (13111, 1548720), (13384, 1517130), (14340, 1415988), (14984, 1355130), (15057, 1348560), (15120, 1342941), (16730, 1213704), (16857, 1204560), (17208, 1179990), (18730, 1084104), (19120, 1061991), (19359, 1048880), (20076, 1011420), (21510, 943992), (22476, 903420), (22680, 895294), (25095, 809136), (25812, 786660), (26222, 774360), (26768, 758565), (28095, 722736), (28680, 707994), (29968, 677565), (30114, 674280), (32265, 629328), (33460, 606852), (33714, 602280), (34416, 589995), (37460, 542052), (38718, 524440), (39333, 516240), (40152, 505710), (43020, 471996), (44952, 451710), (45171, 449520), (45360, 447647), (50190, 404568), (50571, 401520), (51624, 393330), (52444, 387180), (56190, 361368), (57360, 353997), (60228, 337140), (64530, 314664), (65555, 309744), (66920, 303426), (67428, 301140), (74920, 271026), (75285, 269712), (77436, 262220), (78666, 258120), (80304, 252855), (84285, 240912), (86040, 235998), (89904, 225855), (90342, 224760), (96795, 209776), (100380, 202284), (101142, 200760), (103248, 196665), (104888, 193590), (112380, 180684), (117999, 172080), (120456, 168570), (129060, 157332), (131110, 154872), (133840, 151713), (134856, 150570), (135513, 149840)]