81139710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2113

約数の個数: 64

約数和(自身を含む): 205793280

約数和(自身を除く): 124653570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 645, 930, 1290, 1333, 2029, 2666, 3999, 4058, 6087, 6665, 7998, 10145, 12174, 13330, 19995, 20290, 30435, 39990, 60870, 62899, 87247, 125798, 174494, 188697, 261741, 314495, 377394, 436235, 523482, 628990, 872470, 943485, 1308705, 1886970, 2617410, 2704657, 5409314, 8113971, 13523285, 16227942, 27046570, 40569855, 81139710]

約数ペア:

[(1, 81139710), (2, 40569855), (3, 27046570), (5, 16227942), (6, 13523285), (10, 8113971), (15, 5409314), (30, 2704657), (31, 2617410), (43, 1886970), (62, 1308705), (86, 943485), (93, 872470), (129, 628990), (155, 523482), (186, 436235), (215, 377394), (258, 314495), (310, 261741), (430, 188697), (465, 174494), (645, 125798), (930, 87247), (1290, 62899), (1333, 60870), (2029, 39990), (2666, 30435), (3999, 20290), (4058, 19995), (6087, 13330), (6665, 12174), (7998, 10145)]