661693140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{118583}}^1$

素因数の和:118629

約数の個数: 72

約数和(自身を含む): 2071899648

約数和(自身を除く): 1410206508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 118583, 237166, 355749, 474332, 592915, 711498, 1067247, 1185830, 1422996, 1778745, 2134494, 2371660, 3557490, 3676073, 4268988, 5336235, 7114980, 7352146, 10672470, 11028219, 14704292, 18380365, 21344940, 22056438, 33084657, 36760730, 44112876, 55141095, 66169314, 73521460, 110282190, 132338628, 165423285, 220564380, 330846570, 661693140]

約数ペア:

[(1, 661693140), (2, 330846570), (3, 220564380), (4, 165423285), (5, 132338628), (6, 110282190), (9, 73521460), (10, 66169314), (12, 55141095), (15, 44112876), (18, 36760730), (20, 33084657), (30, 22056438), (31, 21344940), (36, 18380365), (45, 14704292), (60, 11028219), (62, 10672470), (90, 7352146), (93, 7114980), (124, 5336235), (155, 4268988), (180, 3676073), (186, 3557490), (279, 2371660), (310, 2134494), (372, 1778745), (465, 1422996), (558, 1185830), (620, 1067247), (930, 711498), (1116, 592915), (1395, 474332), (1860, 355749), (2790, 237166), (5580, 118583)]