77216820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^2$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 222521376

約数和(自身を除く): 145304556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 173, 215, 258, 346, 430, 516, 519, 645, 692, 860, 865, 1038, 1290, 1730, 2076, 2580, 2595, 3460, 5190, 7439, 10380, 14878, 22317, 29756, 29929, 37195, 44634, 59858, 74390, 89268, 89787, 111585, 119716, 148780, 149645, 179574, 223170, 299290, 359148, 446340, 448935, 598580, 897870, 1286947, 1795740, 2573894, 3860841, 5147788, 6434735, 7721682, 12869470, 15443364, 19304205, 25738940, 38608410, 77216820]

約数ペア:

[(1, 77216820), (2, 38608410), (3, 25738940), (4, 19304205), (5, 15443364), (6, 12869470), (10, 7721682), (12, 6434735), (15, 5147788), (20, 3860841), (30, 2573894), (43, 1795740), (60, 1286947), (86, 897870), (129, 598580), (172, 448935), (173, 446340), (215, 359148), (258, 299290), (346, 223170), (430, 179574), (516, 149645), (519, 148780), (645, 119716), (692, 111585), (860, 89787), (865, 89268), (1038, 74390), (1290, 59858), (1730, 44634), (2076, 37195), (2580, 29929), (2595, 29756), (3460, 22317), (5190, 14878), (7439, 10380)]