30115880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 70848000

約数和(自身を除く): 40732120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 163, 248, 298, 310, 326, 596, 620, 652, 745, 815, 1192, 1240, 1304, 1490, 1630, 2980, 3260, 4619, 5053, 5960, 6520, 9238, 10106, 18476, 20212, 23095, 24287, 25265, 36952, 40424, 46190, 48574, 50530, 92380, 97148, 101060, 121435, 184760, 194296, 202120, 242870, 485740, 752897, 971480, 1505794, 3011588, 3764485, 6023176, 7528970, 15057940, 30115880]

約数ペア:

[(1, 30115880), (2, 15057940), (4, 7528970), (5, 6023176), (8, 3764485), (10, 3011588), (20, 1505794), (31, 971480), (40, 752897), (62, 485740), (124, 242870), (149, 202120), (155, 194296), (163, 184760), (248, 121435), (298, 101060), (310, 97148), (326, 92380), (596, 50530), (620, 48574), (652, 46190), (745, 40424), (815, 36952), (1192, 25265), (1240, 24287), (1304, 23095), (1490, 20212), (1630, 18476), (2980, 10106), (3260, 9238), (4619, 6520), (5053, 5960)]