72925880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 98534920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 820, 839, 1060, 1640, 1678, 2120, 2173, 3356, 4195, 4346, 6712, 8390, 8692, 10865, 16780, 17384, 21730, 33560, 34399, 43460, 44467, 68798, 86920, 88934, 137596, 171995, 177868, 222335, 275192, 343990, 355736, 444670, 687980, 889340, 1375960, 1778680, 1823147, 3646294, 7292588, 9115735, 14585176, 18231470, 36462940, 72925880]

約数ペア:

[(1, 72925880), (2, 36462940), (4, 18231470), (5, 14585176), (8, 9115735), (10, 7292588), (20, 3646294), (40, 1823147), (41, 1778680), (53, 1375960), (82, 889340), (106, 687980), (164, 444670), (205, 355736), (212, 343990), (265, 275192), (328, 222335), (410, 177868), (424, 171995), (530, 137596), (820, 88934), (839, 86920), (1060, 68798), (1640, 44467), (1678, 43460), (2120, 34399), (2173, 33560), (3356, 21730), (4195, 17384), (4346, 16780), (6712, 10865), (8390, 8692)]