1915668040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 256

約数和(自身を含む): 5290790400

約数和(自身を除く): 3375122360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 65, 71, 88, 89, 104, 106, 110, 130, 142, 143, 178, 212, 220, 260, 265, 284, 286, 355, 356, 424, 440, 445, 520, 530, 568, 572, 583, 689, 710, 712, 715, 781, 890, 923, 979, 1060, 1144, 1157, 1166, 1378, 1420, 1430, 1562, 1780, 1846, 1958, 2120, 2314, 2332, 2756, 2840, 2860, 2915, 3124, 3445, 3560, 3692, 3763, 3905, 3916, 4615, 4628, 4664, 4717, 4895, 5512, 5720, 5785, 5830, 6248, 6319, 6890, 7384, 7526, 7579, 7810, 7832, 9230, 9256, 9434, 9790, 10153, 11570, 11660, 12638, 12727, 13780, 15052, 15158, 15620, 18460, 18815, 18868, 19580, 20306, 23140, 23320, 23585, 25276, 25454, 27560, 30104, 30316, 31240, 31595, 36920, 37630, 37736, 37895, 39160, 40612, 41393, 46280, 47170, 48919, 50552, 50765, 50908, 51887, 60632, 61321, 63190, 63635, 69509, 75260, 75790, 81224, 82147, 82786, 94340, 97838, 101530, 101816, 103774, 122642, 126380, 127270, 139018, 150520, 151580, 164294, 165572, 188680, 195676, 203060, 206965, 207548, 244595, 245284, 252760, 254540, 259435, 278036, 303160, 306605, 328588, 331144, 334907, 347545, 391352, 406120, 410735, 413930, 415096, 489190, 490568, 509080, 518870, 538109, 556072, 613210, 657176, 669814, 674531, 695090, 821470, 827860, 903617, 978380, 1037740, 1076218, 1226420, 1339628, 1349062, 1390180, 1642940, 1655720, 1674535, 1807234, 1956760, 2075480, 2152436, 2452840, 2679256, 2690545, 2698124, 2780360, 3285880, 3349070, 3372655, 3614468, 3683977, 4304872, 4353791, 4518085, 5381090, 5396248, 6698140, 6745310, 7228936, 7367954, 8707582, 9036170, 10762180, 13396280, 13490620, 14735908, 17415164, 18072340, 18419885, 21524360, 21768955, 26981240, 29471816, 34830328, 36144680, 36839770, 43537910, 47891701, 73679540, 87075820, 95783402, 147359080, 174151640, 191566804, 239458505, 383133608, 478917010, 957834020, 1915668040]

約数ペア:

[(1, 1915668040), (2, 957834020), (4, 478917010), (5, 383133608), (8, 239458505), (10, 191566804), (11, 174151640), (13, 147359080), (20, 95783402), (22, 87075820), (26, 73679540), (40, 47891701), (44, 43537910), (52, 36839770), (53, 36144680), (55, 34830328), (65, 29471816), (71, 26981240), (88, 21768955), (89, 21524360), (104, 18419885), (106, 18072340), (110, 17415164), (130, 14735908), (142, 13490620), (143, 13396280), (178, 10762180), (212, 9036170), (220, 8707582), (260, 7367954), (265, 7228936), (284, 6745310), (286, 6698140), (355, 5396248), (356, 5381090), (424, 4518085), (440, 4353791), (445, 4304872), (520, 3683977), (530, 3614468), (568, 3372655), (572, 3349070), (583, 3285880), (689, 2780360), (710, 2698124), (712, 2690545), (715, 2679256), (781, 2452840), (890, 2152436), (923, 2075480), (979, 1956760), (1060, 1807234), (1144, 1674535), (1157, 1655720), (1166, 1642940), (1378, 1390180), (1420, 1349062), (1430, 1339628), (1562, 1226420), (1780, 1076218), (1846, 1037740), (1958, 978380), (2120, 903617), (2314, 827860), (2332, 821470), (2756, 695090), (2840, 674531), (2860, 669814), (2915, 657176), (3124, 613210), (3445, 556072), (3560, 538109), (3692, 518870), (3763, 509080), (3905, 490568), (3916, 489190), (4615, 415096), (4628, 413930), (4664, 410735), (4717, 406120), (4895, 391352), (5512, 347545), (5720, 334907), (5785, 331144), (5830, 328588), (6248, 306605), (6319, 303160), (6890, 278036), (7384, 259435), (7526, 254540), (7579, 252760), (7810, 245284), (7832, 244595), (9230, 207548), (9256, 206965), (9434, 203060), (9790, 195676), (10153, 188680), (11570, 165572), (11660, 164294), (12638, 151580), (12727, 150520), (13780, 139018), (15052, 127270), (15158, 126380), (15620, 122642), (18460, 103774), (18815, 101816), (18868, 101530), (19580, 97838), (20306, 94340), (23140, 82786), (23320, 82147), (23585, 81224), (25276, 75790), (25454, 75260), (27560, 69509), (30104, 63635), (30316, 63190), (31240, 61321), (31595, 60632), (36920, 51887), (37630, 50908), (37736, 50765), (37895, 50552), (39160, 48919), (40612, 47170), (41393, 46280)]