79744140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3372

約数の個数: 144

約数和(自身を含む): 291083520

約数和(自身を除く): 211339380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3331, 3420, 3990, 4788, 5985, 6662, 7980, 9993, 11970, 13324, 16655, 19986, 23317, 23940, 29979, 33310, 39972, 46634, 49965, 59958, 63289, 66620, 69951, 93268, 99930, 116585, 119916, 126578, 139902, 149895, 189867, 199860, 209853, 233170, 253156, 279804, 299790, 316445, 349755, 379734, 419706, 443023, 466340, 569601, 599580, 632890, 699510, 759468, 839412, 886046, 949335, 1049265, 1139202, 1265780, 1329069, 1399020, 1772092, 1898670, 2098530, 2215115, 2278404, 2658138, 2848005, 3797340, 3987207, 4197060, 4430230, 5316276, 5696010, 6645345, 7974414, 8860460, 11392020, 13290690, 15948828, 19936035, 26581380, 39872070, 79744140]

約数ペア:

[(1, 79744140), (2, 39872070), (3, 26581380), (4, 19936035), (5, 15948828), (6, 13290690), (7, 11392020), (9, 8860460), (10, 7974414), (12, 6645345), (14, 5696010), (15, 5316276), (18, 4430230), (19, 4197060), (20, 3987207), (21, 3797340), (28, 2848005), (30, 2658138), (35, 2278404), (36, 2215115), (38, 2098530), (42, 1898670), (45, 1772092), (57, 1399020), (60, 1329069), (63, 1265780), (70, 1139202), (76, 1049265), (84, 949335), (90, 886046), (95, 839412), (105, 759468), (114, 699510), (126, 632890), (133, 599580), (140, 569601), (171, 466340), (180, 443023), (190, 419706), (210, 379734), (228, 349755), (252, 316445), (266, 299790), (285, 279804), (315, 253156), (342, 233170), (380, 209853), (399, 199860), (420, 189867), (532, 149895), (570, 139902), (630, 126578), (665, 119916), (684, 116585), (798, 99930), (855, 93268), (1140, 69951), (1197, 66620), (1260, 63289), (1330, 59958), (1596, 49965), (1710, 46634), (1995, 39972), (2394, 33310), (2660, 29979), (3331, 23940), (3420, 23317), (3990, 19986), (4788, 16655), (5985, 13324), (6662, 11970), (7980, 9993)]