20898045280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{587}}^1$

素因数の和:874

約数の個数: 288

約数和(自身を含む): 60811430400

約数和(自身を除く): 39913385120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 239, 245, 266, 280, 304, 380, 392, 478, 490, 532, 560, 587, 608, 665, 760, 784, 931, 956, 980, 1064, 1120, 1174, 1195, 1330, 1520, 1568, 1673, 1862, 1912, 1960, 2128, 2348, 2390, 2660, 2935, 3040, 3346, 3724, 3824, 3920, 4109, 4256, 4541, 4655, 4696, 4780, 5320, 5870, 6692, 7448, 7648, 7840, 8218, 8365, 9082, 9310, 9392, 9560, 10640, 11153, 11711, 11740, 13384, 14896, 16436, 16730, 18164, 18620, 18784, 19120, 20545, 21280, 22306, 22705, 23422, 23480, 26768, 28763, 29792, 31787, 32872, 33460, 36328, 37240, 38240, 41090, 44612, 45410, 46844, 46960, 53536, 55765, 57526, 58555, 63574, 65744, 66920, 72656, 74480, 78071, 82180, 89224, 90820, 93688, 93920, 111530, 115052, 117110, 127148, 131488, 133840, 140293, 143815, 145312, 148960, 156142, 158935, 164360, 178448, 181640, 187376, 222509, 223060, 230104, 234220, 254296, 267680, 280586, 287630, 312284, 317870, 328720, 356896, 363280, 374752, 390355, 445018, 446120, 460208, 468440, 508592, 546497, 561172, 575260, 624568, 635740, 657440, 701465, 726560, 780710, 890036, 892240, 920416, 936880, 982051, 1017184, 1092994, 1112545, 1122344, 1150520, 1249136, 1271480, 1402930, 1561420, 1780072, 1784480, 1873760, 1964102, 2185988, 2225090, 2244688, 2301040, 2498272, 2542960, 2665567, 2732485, 2805860, 3122840, 3560144, 3928204, 4371976, 4450180, 4489376, 4602080, 4910255, 5085920, 5331134, 5464970, 5611720, 6245680, 6874357, 7120288, 7856408, 8743952, 8900360, 9820510, 10662268, 10929940, 11223440, 12491360, 13327835, 13748714, 15712816, 17487904, 17800720, 18658969, 19641020, 21324536, 21859880, 22446880, 26655670, 27497428, 31425632, 34371785, 35601440, 37317938, 39282040, 42649072, 43719760, 53311340, 54994856, 68743570, 74635876, 78564080, 85298144, 87439520, 93294845, 106622680, 109989712, 130612783, 137487140, 149271752, 157128160, 186589690, 213245360, 219979424, 261225566, 274974280, 298543504, 373179380, 426490720, 522451132, 549948560, 597087008, 653063915, 746358760, 1044902264, 1099897120, 1306127830, 1492717520, 2089804528, 2612255660, 2985435040, 4179609056, 5224511320, 10449022640, 20898045280]

約数ペア:

[(1, 20898045280), (2, 10449022640), (4, 5224511320), (5, 4179609056), (7, 2985435040), (8, 2612255660), (10, 2089804528), (14, 1492717520), (16, 1306127830), (19, 1099897120), (20, 1044902264), (28, 746358760), (32, 653063915), (35, 597087008), (38, 549948560), (40, 522451132), (49, 426490720), (56, 373179380), (70, 298543504), (76, 274974280), (80, 261225566), (95, 219979424), (98, 213245360), (112, 186589690), (133, 157128160), (140, 149271752), (152, 137487140), (160, 130612783), (190, 109989712), (196, 106622680), (224, 93294845), (239, 87439520), (245, 85298144), (266, 78564080), (280, 74635876), (304, 68743570), (380, 54994856), (392, 53311340), (478, 43719760), (490, 42649072), (532, 39282040), (560, 37317938), (587, 35601440), (608, 34371785), (665, 31425632), (760, 27497428), (784, 26655670), (931, 22446880), (956, 21859880), (980, 21324536), (1064, 19641020), (1120, 18658969), (1174, 17800720), (1195, 17487904), (1330, 15712816), (1520, 13748714), (1568, 13327835), (1673, 12491360), (1862, 11223440), (1912, 10929940), (1960, 10662268), (2128, 9820510), (2348, 8900360), (2390, 8743952), (2660, 7856408), (2935, 7120288), (3040, 6874357), (3346, 6245680), (3724, 5611720), (3824, 5464970), (3920, 5331134), (4109, 5085920), (4256, 4910255), (4541, 4602080), (4655, 4489376), (4696, 4450180), (4780, 4371976), (5320, 3928204), (5870, 3560144), (6692, 3122840), (7448, 2805860), (7648, 2732485), (7840, 2665567), (8218, 2542960), (8365, 2498272), (9082, 2301040), (9310, 2244688), (9392, 2225090), (9560, 2185988), (10640, 1964102), (11153, 1873760), (11711, 1784480), (11740, 1780072), (13384, 1561420), (14896, 1402930), (16436, 1271480), (16730, 1249136), (18164, 1150520), (18620, 1122344), (18784, 1112545), (19120, 1092994), (20545, 1017184), (21280, 982051), (22306, 936880), (22705, 920416), (23422, 892240), (23480, 890036), (26768, 780710), (28763, 726560), (29792, 701465), (31787, 657440), (32872, 635740), (33460, 624568), (36328, 575260), (37240, 561172), (38240, 546497), (41090, 508592), (44612, 468440), (45410, 460208), (46844, 446120), (46960, 445018), (53536, 390355), (55765, 374752), (57526, 363280), (58555, 356896), (63574, 328720), (65744, 317870), (66920, 312284), (72656, 287630), (74480, 280586), (78071, 267680), (82180, 254296), (89224, 234220), (90820, 230104), (93688, 223060), (93920, 222509), (111530, 187376), (115052, 181640), (117110, 178448), (127148, 164360), (131488, 158935), (133840, 156142), (140293, 148960), (143815, 145312)]