90351520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80671}}^1$

素因数の和:80693

約数の個数: 48

約数和(自身を含む): 243952128

約数和(自身を除く): 153600608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80671, 161342, 322684, 403355, 564697, 645368, 806710, 1129394, 1290736, 1613420, 2258788, 2581472, 2823485, 3226840, 4517576, 5646970, 6453680, 9035152, 11293940, 12907360, 18070304, 22587880, 45175760, 90351520]

約数ペア:

[(1, 90351520), (2, 45175760), (4, 22587880), (5, 18070304), (7, 12907360), (8, 11293940), (10, 9035152), (14, 6453680), (16, 5646970), (20, 4517576), (28, 3226840), (32, 2823485), (35, 2581472), (40, 2258788), (56, 1613420), (70, 1290736), (80, 1129394), (112, 806710), (140, 645368), (160, 564697), (224, 403355), (280, 322684), (560, 161342), (1120, 80671)]