30970980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2357}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 95272632

約数和(自身を除く): 64301652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2357, 2628, 3285, 4380, 4714, 6570, 7071, 9428, 11785, 13140, 14142, 21213, 23570, 28284, 35355, 42426, 47140, 70710, 84852, 106065, 141420, 172061, 212130, 344122, 424260, 516183, 688244, 860305, 1032366, 1548549, 1720610, 2064732, 2580915, 3097098, 3441220, 5161830, 6194196, 7742745, 10323660, 15485490, 30970980]

約数ペア:

[(1, 30970980), (2, 15485490), (3, 10323660), (4, 7742745), (5, 6194196), (6, 5161830), (9, 3441220), (10, 3097098), (12, 2580915), (15, 2064732), (18, 1720610), (20, 1548549), (30, 1032366), (36, 860305), (45, 688244), (60, 516183), (73, 424260), (90, 344122), (146, 212130), (180, 172061), (219, 141420), (292, 106065), (365, 84852), (438, 70710), (657, 47140), (730, 42426), (876, 35355), (1095, 28284), (1314, 23570), (1460, 21213), (2190, 14142), (2357, 13140), (2628, 11785), (3285, 9428), (4380, 7071), (4714, 6570)]