31090980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2713}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 87542784

約数和(自身を除く): 56451804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1910, 2292, 2713, 2865, 3820, 5426, 5730, 8139, 10852, 11460, 13565, 16278, 27130, 32556, 40695, 54260, 81390, 162780, 518183, 1036366, 1554549, 2072732, 2590915, 3109098, 5181830, 6218196, 7772745, 10363660, 15545490, 31090980]

約数ペア:

[(1, 31090980), (2, 15545490), (3, 10363660), (4, 7772745), (5, 6218196), (6, 5181830), (10, 3109098), (12, 2590915), (15, 2072732), (20, 1554549), (30, 1036366), (60, 518183), (191, 162780), (382, 81390), (573, 54260), (764, 40695), (955, 32556), (1146, 27130), (1910, 16278), (2292, 13565), (2713, 11460), (2865, 10852), (3820, 8139), (5426, 5730)]