1631580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 3013284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 383, 426, 710, 766, 852, 1065, 1149, 1420, 1532, 1915, 2130, 2298, 3830, 4260, 4596, 5745, 7660, 11490, 22980, 27193, 54386, 81579, 108772, 135965, 163158, 271930, 326316, 407895, 543860, 815790, 1631580]

約数ペア:

[(1, 1631580), (2, 815790), (3, 543860), (4, 407895), (5, 326316), (6, 271930), (10, 163158), (12, 135965), (15, 108772), (20, 81579), (30, 54386), (60, 27193), (71, 22980), (142, 11490), (213, 7660), (284, 5745), (355, 4596), (383, 4260), (426, 3830), (710, 2298), (766, 2130), (852, 1915), (1065, 1532), (1149, 1420)]