80722740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2797

約数の個数: 96

約数和(自身を含む): 262047744

約数和(自身を除く): 181325004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2707, 2982, 4260, 4970, 5414, 5964, 7455, 8121, 9940, 10828, 13535, 14910, 16242, 18949, 27070, 29820, 32484, 37898, 40605, 54140, 56847, 75796, 81210, 94745, 113694, 162420, 189490, 192197, 227388, 284235, 378980, 384394, 568470, 576591, 768788, 960985, 1136940, 1153182, 1345379, 1921970, 2306364, 2690758, 2882955, 3843940, 4036137, 5381516, 5765910, 6726895, 8072274, 11531820, 13453790, 16144548, 20180685, 26907580, 40361370, 80722740]

約数ペア:

[(1, 80722740), (2, 40361370), (3, 26907580), (4, 20180685), (5, 16144548), (6, 13453790), (7, 11531820), (10, 8072274), (12, 6726895), (14, 5765910), (15, 5381516), (20, 4036137), (21, 3843940), (28, 2882955), (30, 2690758), (35, 2306364), (42, 1921970), (60, 1345379), (70, 1153182), (71, 1136940), (84, 960985), (105, 768788), (140, 576591), (142, 568470), (210, 384394), (213, 378980), (284, 284235), (355, 227388), (420, 192197), (426, 189490), (497, 162420), (710, 113694), (852, 94745), (994, 81210), (1065, 75796), (1420, 56847), (1491, 54140), (1988, 40605), (2130, 37898), (2485, 32484), (2707, 29820), (2982, 27070), (4260, 18949), (4970, 16242), (5414, 14910), (5964, 13535), (7455, 10828), (8121, 9940)]