40978275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 75972816

約数和(自身を除く): 34994541

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 61, 65, 75, 159, 169, 183, 195, 265, 305, 325, 507, 689, 793, 795, 845, 915, 975, 1325, 1525, 2067, 2379, 2535, 3233, 3445, 3965, 3975, 4225, 4575, 8957, 9699, 10309, 10335, 11895, 12675, 16165, 17225, 19825, 26871, 30927, 42029, 44785, 48495, 51545, 51675, 59475, 80825, 126087, 134355, 154635, 210145, 223925, 242475, 257725, 546377, 630435, 671775, 773175, 1050725, 1639131, 2731885, 3152175, 8195655, 13659425, 40978275]

約数ペア:

[(1, 40978275), (3, 13659425), (5, 8195655), (13, 3152175), (15, 2731885), (25, 1639131), (39, 1050725), (53, 773175), (61, 671775), (65, 630435), (75, 546377), (159, 257725), (169, 242475), (183, 223925), (195, 210145), (265, 154635), (305, 134355), (325, 126087), (507, 80825), (689, 59475), (793, 51675), (795, 51545), (845, 48495), (915, 44785), (975, 42029), (1325, 30927), (1525, 26871), (2067, 19825), (2379, 17225), (2535, 16165), (3233, 12675), (3445, 11895), (3965, 10335), (3975, 10309), (4225, 9699), (4575, 8957)]