815483280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47857}}^1$

素因数の和:47944

約数の個数: 80

約数和(自身を含む): 2563657344

約数和(自身を除く): 1748174064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 17040, 47857, 95714, 143571, 191428, 239285, 287142, 382856, 478570, 574284, 717855, 765712, 957140, 1148568, 1435710, 1914280, 2297136, 2871420, 3397847, 3828560, 5742840, 6795694, 10193541, 11485680, 13591388, 16989235, 20387082, 27182776, 33978470, 40774164, 50967705, 54365552, 67956940, 81548328, 101935410, 135913880, 163096656, 203870820, 271827760, 407741640, 815483280]

約数ペア:

[(1, 815483280), (2, 407741640), (3, 271827760), (4, 203870820), (5, 163096656), (6, 135913880), (8, 101935410), (10, 81548328), (12, 67956940), (15, 54365552), (16, 50967705), (20, 40774164), (24, 33978470), (30, 27182776), (40, 20387082), (48, 16989235), (60, 13591388), (71, 11485680), (80, 10193541), (120, 6795694), (142, 5742840), (213, 3828560), (240, 3397847), (284, 2871420), (355, 2297136), (426, 1914280), (568, 1435710), (710, 1148568), (852, 957140), (1065, 765712), (1136, 717855), (1420, 574284), (1704, 478570), (2130, 382856), (2840, 287142), (3408, 239285), (4260, 191428), (5680, 143571), (8520, 95714), (17040, 47857)]