72679880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 206599680

約数和(自身を除く): 133919800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 487, 520, 533, 574, 728, 820, 910, 974, 1066, 1148, 1435, 1640, 1820, 1948, 2132, 2296, 2435, 2665, 2870, 3409, 3640, 3731, 3896, 4264, 4870, 5330, 5740, 6331, 6818, 7462, 9740, 10660, 11480, 12662, 13636, 14924, 17045, 18655, 19480, 19967, 21320, 25324, 27272, 29848, 31655, 34090, 37310, 39934, 44317, 50648, 63310, 68180, 74620, 79868, 88634, 99835, 126620, 136360, 139769, 149240, 159736, 177268, 199670, 221585, 253240, 259571, 279538, 354536, 399340, 443170, 519142, 559076, 698845, 798680, 886340, 1038284, 1118152, 1297855, 1397690, 1772680, 1816997, 2076568, 2595710, 2795380, 3633994, 5191420, 5590760, 7267988, 9084985, 10382840, 14535976, 18169970, 36339940, 72679880]

約数ペア:

[(1, 72679880), (2, 36339940), (4, 18169970), (5, 14535976), (7, 10382840), (8, 9084985), (10, 7267988), (13, 5590760), (14, 5191420), (20, 3633994), (26, 2795380), (28, 2595710), (35, 2076568), (40, 1816997), (41, 1772680), (52, 1397690), (56, 1297855), (65, 1118152), (70, 1038284), (82, 886340), (91, 798680), (104, 698845), (130, 559076), (140, 519142), (164, 443170), (182, 399340), (205, 354536), (260, 279538), (280, 259571), (287, 253240), (328, 221585), (364, 199670), (410, 177268), (455, 159736), (487, 149240), (520, 139769), (533, 136360), (574, 126620), (728, 99835), (820, 88634), (910, 79868), (974, 74620), (1066, 68180), (1148, 63310), (1435, 50648), (1640, 44317), (1820, 39934), (1948, 37310), (2132, 34090), (2296, 31655), (2435, 29848), (2665, 27272), (2870, 25324), (3409, 21320), (3640, 19967), (3731, 19480), (3896, 18655), (4264, 17045), (4870, 14924), (5330, 13636), (5740, 12662), (6331, 11480), (6818, 10660), (7462, 9740)]