291244920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127739}}^1$

素因数の和:127772

約数の個数: 64

約数和(自身を含む): 919728000

約数和(自身を除く): 628483080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 127739, 255478, 383217, 510956, 638695, 766434, 1021912, 1277390, 1532868, 1916085, 2427041, 2554780, 3065736, 3832170, 4854082, 5109560, 7281123, 7664340, 9708164, 12135205, 14562246, 15328680, 19416328, 24270410, 29124492, 36405615, 48540820, 58248984, 72811230, 97081640, 145622460, 291244920]

約数ペア:

[(1, 291244920), (2, 145622460), (3, 97081640), (4, 72811230), (5, 58248984), (6, 48540820), (8, 36405615), (10, 29124492), (12, 24270410), (15, 19416328), (19, 15328680), (20, 14562246), (24, 12135205), (30, 9708164), (38, 7664340), (40, 7281123), (57, 5109560), (60, 4854082), (76, 3832170), (95, 3065736), (114, 2554780), (120, 2427041), (152, 1916085), (190, 1532868), (228, 1277390), (285, 1021912), (380, 766434), (456, 638695), (570, 510956), (760, 383217), (1140, 255478), (2280, 127739)]