858840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 2734560

約数和(自身を除く): 1875720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 421, 510, 680, 842, 1020, 1263, 1684, 2040, 2105, 2526, 3368, 4210, 5052, 6315, 7157, 8420, 10104, 12630, 14314, 16840, 21471, 25260, 28628, 35785, 42942, 50520, 57256, 71570, 85884, 107355, 143140, 171768, 214710, 286280, 429420, 858840]

約数ペア:

[(1, 858840), (2, 429420), (3, 286280), (4, 214710), (5, 171768), (6, 143140), (8, 107355), (10, 85884), (12, 71570), (15, 57256), (17, 50520), (20, 42942), (24, 35785), (30, 28628), (34, 25260), (40, 21471), (51, 16840), (60, 14314), (68, 12630), (85, 10104), (102, 8420), (120, 7157), (136, 6315), (170, 5052), (204, 4210), (255, 3368), (340, 2526), (408, 2105), (421, 2040), (510, 1684), (680, 1263), (842, 1020)]