611759920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 1459995840

約数和(自身を除く): 848235920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 157, 212, 265, 314, 424, 530, 628, 785, 848, 919, 1060, 1256, 1570, 1838, 2120, 2512, 3140, 3676, 4240, 4595, 6280, 7352, 8321, 9190, 12560, 14704, 16642, 18380, 33284, 36760, 41605, 48707, 66568, 73520, 83210, 97414, 133136, 144283, 166420, 194828, 243535, 288566, 332840, 389656, 487070, 577132, 665680, 721415, 779312, 974140, 1154264, 1442830, 1948280, 2308528, 2885660, 3896560, 5771320, 7646999, 11542640, 15293998, 30587996, 38234995, 61175992, 76469990, 122351984, 152939980, 305879960, 611759920]

約数ペア:

[(1, 611759920), (2, 305879960), (4, 152939980), (5, 122351984), (8, 76469990), (10, 61175992), (16, 38234995), (20, 30587996), (40, 15293998), (53, 11542640), (80, 7646999), (106, 5771320), (157, 3896560), (212, 2885660), (265, 2308528), (314, 1948280), (424, 1442830), (530, 1154264), (628, 974140), (785, 779312), (848, 721415), (919, 665680), (1060, 577132), (1256, 487070), (1570, 389656), (1838, 332840), (2120, 288566), (2512, 243535), (3140, 194828), (3676, 166420), (4240, 144283), (4595, 133136), (6280, 97414), (7352, 83210), (8321, 73520), (9190, 66568), (12560, 48707), (14704, 41605), (16642, 36760), (18380, 33284)]