31726320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 99076992

約数和(自身を除く): 67350672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 811, 815, 978, 1304, 1622, 1630, 1956, 2433, 2445, 2608, 3244, 3260, 3912, 4055, 4866, 4890, 6488, 6520, 7824, 8110, 9732, 9780, 12165, 12976, 13040, 16220, 19464, 19560, 24330, 32440, 38928, 39120, 48660, 64880, 97320, 132193, 194640, 264386, 396579, 528772, 660965, 793158, 1057544, 1321930, 1586316, 1982895, 2115088, 2643860, 3172632, 3965790, 5287720, 6345264, 7931580, 10575440, 15863160, 31726320]

約数ペア:

[(1, 31726320), (2, 15863160), (3, 10575440), (4, 7931580), (5, 6345264), (6, 5287720), (8, 3965790), (10, 3172632), (12, 2643860), (15, 2115088), (16, 1982895), (20, 1586316), (24, 1321930), (30, 1057544), (40, 793158), (48, 660965), (60, 528772), (80, 396579), (120, 264386), (163, 194640), (240, 132193), (326, 97320), (489, 64880), (652, 48660), (811, 39120), (815, 38928), (978, 32440), (1304, 24330), (1622, 19560), (1630, 19464), (1956, 16220), (2433, 13040), (2445, 12976), (2608, 12165), (3244, 9780), (3260, 9732), (3912, 8110), (4055, 7824), (4866, 6520), (4890, 6488)]