166872920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 383201280

約数和(自身を除く): 216328360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 127, 214, 254, 307, 428, 508, 535, 614, 635, 856, 1016, 1070, 1228, 1270, 1535, 2140, 2456, 2540, 3070, 4280, 5080, 6140, 12280, 13589, 27178, 32849, 38989, 54356, 65698, 67945, 77978, 108712, 131396, 135890, 155956, 164245, 194945, 262792, 271780, 311912, 328490, 389890, 543560, 656980, 779780, 1313960, 1559560, 4171823, 8343646, 16687292, 20859115, 33374584, 41718230, 83436460, 166872920]

約数ペア:

[(1, 166872920), (2, 83436460), (4, 41718230), (5, 33374584), (8, 20859115), (10, 16687292), (20, 8343646), (40, 4171823), (107, 1559560), (127, 1313960), (214, 779780), (254, 656980), (307, 543560), (428, 389890), (508, 328490), (535, 311912), (614, 271780), (635, 262792), (856, 194945), (1016, 164245), (1070, 155956), (1228, 135890), (1270, 131396), (1535, 108712), (2140, 77978), (2456, 67945), (2540, 65698), (3070, 54356), (4280, 38989), (5080, 32849), (6140, 27178), (12280, 13589)]