80306940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 258177024

約数和(自身を除く): 177870084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 367, 420, 521, 734, 1042, 1101, 1468, 1563, 1835, 2084, 2202, 2569, 2605, 3126, 3647, 3670, 4404, 5138, 5210, 5505, 6252, 7294, 7340, 7707, 7815, 10276, 10420, 10941, 11010, 12845, 14588, 15414, 15630, 18235, 21882, 22020, 25690, 30828, 31260, 36470, 38535, 43764, 51380, 54705, 72940, 77070, 109410, 154140, 191207, 218820, 382414, 573621, 764828, 956035, 1147242, 1338449, 1912070, 2294484, 2676898, 2868105, 3824140, 4015347, 5353796, 5736210, 6692245, 8030694, 11472420, 13384490, 16061388, 20076735, 26768980, 40153470, 80306940]

約数ペア:

[(1, 80306940), (2, 40153470), (3, 26768980), (4, 20076735), (5, 16061388), (6, 13384490), (7, 11472420), (10, 8030694), (12, 6692245), (14, 5736210), (15, 5353796), (20, 4015347), (21, 3824140), (28, 2868105), (30, 2676898), (35, 2294484), (42, 1912070), (60, 1338449), (70, 1147242), (84, 956035), (105, 764828), (140, 573621), (210, 382414), (367, 218820), (420, 191207), (521, 154140), (734, 109410), (1042, 77070), (1101, 72940), (1468, 54705), (1563, 51380), (1835, 43764), (2084, 38535), (2202, 36470), (2569, 31260), (2605, 30828), (3126, 25690), (3647, 22020), (3670, 21882), (4404, 18235), (5138, 15630), (5210, 15414), (5505, 14588), (6252, 12845), (7294, 11010), (7340, 10941), (7707, 10420), (7815, 10276)]