1538840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 3836160

約数和(自身を除く): 2297320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 73, 85, 124, 136, 146, 155, 170, 248, 292, 310, 340, 365, 527, 584, 620, 680, 730, 1054, 1240, 1241, 1460, 2108, 2263, 2482, 2635, 2920, 4216, 4526, 4964, 5270, 6205, 9052, 9928, 10540, 11315, 12410, 18104, 21080, 22630, 24820, 38471, 45260, 49640, 76942, 90520, 153884, 192355, 307768, 384710, 769420, 1538840]

約数ペア:

[(1, 1538840), (2, 769420), (4, 384710), (5, 307768), (8, 192355), (10, 153884), (17, 90520), (20, 76942), (31, 49640), (34, 45260), (40, 38471), (62, 24820), (68, 22630), (73, 21080), (85, 18104), (124, 12410), (136, 11315), (146, 10540), (155, 9928), (170, 9052), (248, 6205), (292, 5270), (310, 4964), (340, 4526), (365, 4216), (527, 2920), (584, 2635), (620, 2482), (680, 2263), (730, 2108), (1054, 1460), (1240, 1241)]