31550280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1613}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 95290560

約数和(自身を除く): 63740280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1613, 1630, 1956, 2445, 3226, 3260, 3912, 4839, 4890, 6452, 6520, 8065, 9678, 9780, 12904, 16130, 19356, 19560, 24195, 32260, 38712, 48390, 64520, 96780, 193560, 262919, 525838, 788757, 1051676, 1314595, 1577514, 2103352, 2629190, 3155028, 3943785, 5258380, 6310056, 7887570, 10516760, 15775140, 31550280]

約数ペア:

[(1, 31550280), (2, 15775140), (3, 10516760), (4, 7887570), (5, 6310056), (6, 5258380), (8, 3943785), (10, 3155028), (12, 2629190), (15, 2103352), (20, 1577514), (24, 1314595), (30, 1051676), (40, 788757), (60, 525838), (120, 262919), (163, 193560), (326, 96780), (489, 64520), (652, 48390), (815, 38712), (978, 32260), (1304, 24195), (1613, 19560), (1630, 19356), (1956, 16130), (2445, 12904), (3226, 9780), (3260, 9678), (3912, 8065), (4839, 6520), (4890, 6452)]