80288780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 201519360

約数和(自身を除く): 121230580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 130, 134, 143, 220, 260, 268, 286, 335, 419, 572, 670, 715, 737, 838, 871, 1340, 1430, 1474, 1676, 1742, 2095, 2860, 2948, 3484, 3685, 4190, 4355, 4609, 5447, 7370, 8380, 8710, 9218, 9581, 10894, 14740, 17420, 18436, 19162, 21788, 23045, 27235, 28073, 38324, 46090, 47905, 54470, 56146, 59917, 92180, 95810, 108940, 112292, 119834, 140365, 191620, 239668, 280730, 299585, 308803, 364949, 561460, 599170, 617606, 729898, 1198340, 1235212, 1459796, 1544015, 1824745, 3088030, 3649490, 4014439, 6176060, 7298980, 8028878, 16057756, 20072195, 40144390, 80288780]

約数ペア:

[(1, 80288780), (2, 40144390), (4, 20072195), (5, 16057756), (10, 8028878), (11, 7298980), (13, 6176060), (20, 4014439), (22, 3649490), (26, 3088030), (44, 1824745), (52, 1544015), (55, 1459796), (65, 1235212), (67, 1198340), (110, 729898), (130, 617606), (134, 599170), (143, 561460), (220, 364949), (260, 308803), (268, 299585), (286, 280730), (335, 239668), (419, 191620), (572, 140365), (670, 119834), (715, 112292), (737, 108940), (838, 95810), (871, 92180), (1340, 59917), (1430, 56146), (1474, 54470), (1676, 47905), (1742, 46090), (2095, 38324), (2860, 28073), (2948, 27235), (3484, 23045), (3685, 21788), (4190, 19162), (4355, 18436), (4609, 17420), (5447, 14740), (7370, 10894), (8380, 9581), (8710, 9218)]