79130920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 209952000

約数和(自身を除く): 130821080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 71, 85, 88, 110, 136, 142, 149, 170, 187, 220, 284, 298, 340, 355, 374, 440, 568, 596, 680, 710, 745, 748, 781, 935, 1192, 1207, 1420, 1490, 1496, 1562, 1639, 1870, 2414, 2533, 2840, 2980, 3124, 3278, 3740, 3905, 4828, 5066, 5960, 6035, 6248, 6556, 7480, 7810, 8195, 9656, 10132, 10579, 12070, 12665, 13112, 13277, 15620, 16390, 20264, 21158, 24140, 25330, 26554, 27863, 31240, 32780, 42316, 48280, 50660, 52895, 53108, 55726, 65560, 66385, 84632, 101320, 105790, 106216, 111452, 116369, 132770, 139315, 179843, 211580, 222904, 232738, 265540, 278630, 359686, 423160, 465476, 531080, 557260, 581845, 719372, 899215, 930952, 1114520, 1163690, 1438744, 1798430, 1978273, 2327380, 3596860, 3956546, 4654760, 7193720, 7913092, 9891365, 15826184, 19782730, 39565460, 79130920]

約数ペア:

[(1, 79130920), (2, 39565460), (4, 19782730), (5, 15826184), (8, 9891365), (10, 7913092), (11, 7193720), (17, 4654760), (20, 3956546), (22, 3596860), (34, 2327380), (40, 1978273), (44, 1798430), (55, 1438744), (68, 1163690), (71, 1114520), (85, 930952), (88, 899215), (110, 719372), (136, 581845), (142, 557260), (149, 531080), (170, 465476), (187, 423160), (220, 359686), (284, 278630), (298, 265540), (340, 232738), (355, 222904), (374, 211580), (440, 179843), (568, 139315), (596, 132770), (680, 116369), (710, 111452), (745, 106216), (748, 105790), (781, 101320), (935, 84632), (1192, 66385), (1207, 65560), (1420, 55726), (1490, 53108), (1496, 52895), (1562, 50660), (1639, 48280), (1870, 42316), (2414, 32780), (2533, 31240), (2840, 27863), (2980, 26554), (3124, 25330), (3278, 24140), (3740, 21158), (3905, 20264), (4828, 16390), (5066, 15620), (5960, 13277), (6035, 13112), (6248, 12665), (6556, 12070), (7480, 10579), (7810, 10132), (8195, 9656)]