31221240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4909}}^1$

素因数の和:4976

約数の個数: 64

約数和(自身を含む): 95450400

約数和(自身を除く): 64229160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 4909, 6360, 9818, 14727, 19636, 24545, 29454, 39272, 49090, 58908, 73635, 98180, 117816, 147270, 196360, 260177, 294540, 520354, 589080, 780531, 1040708, 1300885, 1561062, 2081416, 2601770, 3122124, 3902655, 5203540, 6244248, 7805310, 10407080, 15610620, 31221240]

約数ペア:

[(1, 31221240), (2, 15610620), (3, 10407080), (4, 7805310), (5, 6244248), (6, 5203540), (8, 3902655), (10, 3122124), (12, 2601770), (15, 2081416), (20, 1561062), (24, 1300885), (30, 1040708), (40, 780531), (53, 589080), (60, 520354), (106, 294540), (120, 260177), (159, 196360), (212, 147270), (265, 117816), (318, 98180), (424, 73635), (530, 58908), (636, 49090), (795, 39272), (1060, 29454), (1272, 24545), (1590, 19636), (2120, 14727), (3180, 9818), (4909, 6360)]