31315560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1601}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 94582080

約数和(自身を除く): 63266520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1601, 1630, 1956, 2445, 3202, 3260, 3912, 4803, 4890, 6404, 6520, 8005, 9606, 9780, 12808, 16010, 19212, 19560, 24015, 32020, 38424, 48030, 64040, 96060, 192120, 260963, 521926, 782889, 1043852, 1304815, 1565778, 2087704, 2609630, 3131556, 3914445, 5219260, 6263112, 7828890, 10438520, 15657780, 31315560]

約数ペア:

[(1, 31315560), (2, 15657780), (3, 10438520), (4, 7828890), (5, 6263112), (6, 5219260), (8, 3914445), (10, 3131556), (12, 2609630), (15, 2087704), (20, 1565778), (24, 1304815), (30, 1043852), (40, 782889), (60, 521926), (120, 260963), (163, 192120), (326, 96060), (489, 64040), (652, 48030), (815, 38424), (978, 32020), (1304, 24015), (1601, 19560), (1630, 19212), (1956, 16010), (2445, 12808), (3202, 9780), (3260, 9606), (3912, 8005), (4803, 6520), (4890, 6404)]