120638940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28319}}^1$

素因数の和:28402

約数の個数: 48

約数和(自身を含む): 342558720

約数和(自身を除く): 221919780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 28319, 56638, 84957, 113276, 141595, 169914, 283190, 339828, 424785, 566380, 849570, 1699140, 2010649, 4021298, 6031947, 8042596, 10053245, 12063894, 20106490, 24127788, 30159735, 40212980, 60319470, 120638940]

約数ペア:

[(1, 120638940), (2, 60319470), (3, 40212980), (4, 30159735), (5, 24127788), (6, 20106490), (10, 12063894), (12, 10053245), (15, 8042596), (20, 6031947), (30, 4021298), (60, 2010649), (71, 1699140), (142, 849570), (213, 566380), (284, 424785), (355, 339828), (426, 283190), (710, 169914), (852, 141595), (1065, 113276), (1420, 84957), (2130, 56638), (4260, 28319)]