912157020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163469}}^1$

素因数の和:163515

約数の個数: 72

約数和(自身を含む): 2856147840

約数和(自身を除く): 1943990820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 163469, 326938, 490407, 653876, 817345, 980814, 1471221, 1634690, 1961628, 2452035, 2942442, 3269380, 4904070, 5067539, 5884884, 7356105, 9808140, 10135078, 14712210, 15202617, 20270156, 25337695, 29424420, 30405234, 45607851, 50675390, 60810468, 76013085, 91215702, 101350780, 152026170, 182431404, 228039255, 304052340, 456078510, 912157020]

約数ペア:

[(1, 912157020), (2, 456078510), (3, 304052340), (4, 228039255), (5, 182431404), (6, 152026170), (9, 101350780), (10, 91215702), (12, 76013085), (15, 60810468), (18, 50675390), (20, 45607851), (30, 30405234), (31, 29424420), (36, 25337695), (45, 20270156), (60, 15202617), (62, 14712210), (90, 10135078), (93, 9808140), (124, 7356105), (155, 5884884), (180, 5067539), (186, 4904070), (279, 3269380), (310, 2942442), (372, 2452035), (465, 1961628), (558, 1634690), (620, 1471221), (930, 980814), (1116, 817345), (1395, 653876), (1860, 490407), (2790, 326938), (5580, 163469)]