21618862720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2856

約数の個数: 384

約数和(自身を含む): 68177289600

約数和(自身を除く): 46558426880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 49, 52, 56, 64, 65, 70, 76, 80, 91, 95, 98, 104, 112, 128, 130, 133, 140, 152, 160, 182, 190, 196, 208, 224, 245, 247, 260, 266, 280, 304, 320, 364, 380, 392, 416, 448, 455, 490, 494, 520, 532, 560, 608, 637, 640, 665, 728, 760, 784, 832, 896, 910, 931, 980, 988, 1040, 1064, 1120, 1216, 1235, 1274, 1330, 1456, 1520, 1568, 1664, 1729, 1820, 1862, 1960, 1976, 2080, 2128, 2240, 2432, 2470, 2548, 2660, 2791, 2912, 3040, 3136, 3185, 3458, 3640, 3724, 3920, 3952, 4160, 4256, 4480, 4655, 4940, 5096, 5320, 5582, 5824, 6080, 6272, 6370, 6916, 7280, 7448, 7840, 7904, 8320, 8512, 8645, 9310, 9880, 10192, 10640, 11164, 11648, 12103, 12160, 12740, 13832, 13955, 14560, 14896, 15680, 15808, 17024, 17290, 18620, 19537, 19760, 20384, 21280, 22328, 24206, 25480, 27664, 27910, 29120, 29792, 31360, 31616, 34580, 36283, 37240, 39074, 39520, 40768, 42560, 44656, 48412, 50960, 53029, 55328, 55820, 58240, 59584, 60515, 69160, 72566, 74480, 78148, 79040, 81536, 85120, 89312, 96824, 97685, 101920, 106058, 110656, 111640, 119168, 121030, 136759, 138320, 145132, 148960, 156296, 158080, 178624, 181415, 193648, 195370, 203840, 212116, 221312, 223280, 242060, 253981, 265145, 273518, 276640, 290264, 297920, 312592, 357248, 362830, 371203, 387296, 390740, 407680, 424232, 446560, 484120, 507962, 530290, 547036, 553280, 580528, 595840, 625184, 683795, 689377, 725660, 742406, 774592, 781480, 848464, 893120, 968240, 1015924, 1060580, 1094072, 1106560, 1161056, 1250368, 1269905, 1367590, 1378754, 1451320, 1484812, 1549184, 1562960, 1696928, 1777867, 1786240, 1856015, 1936480, 2031848, 2121160, 2188144, 2322112, 2500736, 2539810, 2598421, 2735180, 2757508, 2902640, 2969624, 3125920, 3393856, 3446885, 3555734, 3712030, 3872960, 4063696, 4242320, 4376288, 4644224, 4825639, 5079620, 5196842, 5470360, 5515016, 5805280, 5939248, 6251840, 6787712, 6893770, 7111468, 7424060, 7745920, 8127392, 8484640, 8752576, 8889335, 9651278, 10159240, 10393684, 10940720, 11030032, 11610560, 11878496, 12503680, 12992105, 13787540, 14222936, 14848120, 16254784, 16969280, 17505152, 17778670, 19302556, 20318480, 20787368, 21881440, 22060064, 23221120, 23756992, 24128195, 25984210, 27575080, 28445872, 29696240, 32509568, 33779473, 33938560, 35557340, 38605112, 40636960, 41574736, 43762880, 44120128, 47513984, 48256390, 51968420, 55150160, 56891744, 59392480, 67558946, 71114680, 77210224, 81273920, 83149472, 87525760, 88240256, 96512780, 103936840, 110300320, 113783488, 118784960, 135117892, 142229360, 154420448, 162547840, 166298944, 168897365, 193025560, 207873680, 220600640, 227566976, 237569920, 270235784, 284458720, 308840896, 332597888, 337794730, 386051120, 415747360, 441201280, 540471568, 568917440, 617681792, 675589460, 772102240, 831494720, 1080943136, 1137834880, 1351178920, 1544204480, 1662989440, 2161886272, 2702357840, 3088408960, 4323772544, 5404715680, 10809431360, 21618862720]

約数ペア:

[(1, 21618862720), (2, 10809431360), (4, 5404715680), (5, 4323772544), (7, 3088408960), (8, 2702357840), (10, 2161886272), (13, 1662989440), (14, 1544204480), (16, 1351178920), (19, 1137834880), (20, 1080943136), (26, 831494720), (28, 772102240), (32, 675589460), (35, 617681792), (38, 568917440), (40, 540471568), (49, 441201280), (52, 415747360), (56, 386051120), (64, 337794730), (65, 332597888), (70, 308840896), (76, 284458720), (80, 270235784), (91, 237569920), (95, 227566976), (98, 220600640), (104, 207873680), (112, 193025560), (128, 168897365), (130, 166298944), (133, 162547840), (140, 154420448), (152, 142229360), (160, 135117892), (182, 118784960), (190, 113783488), (196, 110300320), (208, 103936840), (224, 96512780), (245, 88240256), (247, 87525760), (260, 83149472), (266, 81273920), (280, 77210224), (304, 71114680), (320, 67558946), (364, 59392480), (380, 56891744), (392, 55150160), (416, 51968420), (448, 48256390), (455, 47513984), (490, 44120128), (494, 43762880), (520, 41574736), (532, 40636960), (560, 38605112), (608, 35557340), (637, 33938560), (640, 33779473), (665, 32509568), (728, 29696240), (760, 28445872), (784, 27575080), (832, 25984210), (896, 24128195), (910, 23756992), (931, 23221120), (980, 22060064), (988, 21881440), (1040, 20787368), (1064, 20318480), (1120, 19302556), (1216, 17778670), (1235, 17505152), (1274, 16969280), (1330, 16254784), (1456, 14848120), (1520, 14222936), (1568, 13787540), (1664, 12992105), (1729, 12503680), (1820, 11878496), (1862, 11610560), (1960, 11030032), (1976, 10940720), (2080, 10393684), (2128, 10159240), (2240, 9651278), (2432, 8889335), (2470, 8752576), (2548, 8484640), (2660, 8127392), (2791, 7745920), (2912, 7424060), (3040, 7111468), (3136, 6893770), (3185, 6787712), (3458, 6251840), (3640, 5939248), (3724, 5805280), (3920, 5515016), (3952, 5470360), (4160, 5196842), (4256, 5079620), (4480, 4825639), (4655, 4644224), (4940, 4376288), (5096, 4242320), (5320, 4063696), (5582, 3872960), (5824, 3712030), (6080, 3555734), (6272, 3446885), (6370, 3393856), (6916, 3125920), (7280, 2969624), (7448, 2902640), (7840, 2757508), (7904, 2735180), (8320, 2598421), (8512, 2539810), (8645, 2500736), (9310, 2322112), (9880, 2188144), (10192, 2121160), (10640, 2031848), (11164, 1936480), (11648, 1856015), (12103, 1786240), (12160, 1777867), (12740, 1696928), (13832, 1562960), (13955, 1549184), (14560, 1484812), (14896, 1451320), (15680, 1378754), (15808, 1367590), (17024, 1269905), (17290, 1250368), (18620, 1161056), (19537, 1106560), (19760, 1094072), (20384, 1060580), (21280, 1015924), (22328, 968240), (24206, 893120), (25480, 848464), (27664, 781480), (27910, 774592), (29120, 742406), (29792, 725660), (31360, 689377), (31616, 683795), (34580, 625184), (36283, 595840), (37240, 580528), (39074, 553280), (39520, 547036), (40768, 530290), (42560, 507962), (44656, 484120), (48412, 446560), (50960, 424232), (53029, 407680), (55328, 390740), (55820, 387296), (58240, 371203), (59584, 362830), (60515, 357248), (69160, 312592), (72566, 297920), (74480, 290264), (78148, 276640), (79040, 273518), (81536, 265145), (85120, 253981), (89312, 242060), (96824, 223280), (97685, 221312), (101920, 212116), (106058, 203840), (110656, 195370), (111640, 193648), (119168, 181415), (121030, 178624), (136759, 158080), (138320, 156296), (145132, 148960)]