30150520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 72705600

約数和(自身を除く): 42555080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 439, 505, 680, 808, 878, 1010, 1717, 1756, 2020, 2195, 3434, 3512, 4040, 4390, 6868, 7463, 8585, 8780, 13736, 14926, 17170, 17560, 29852, 34340, 37315, 44339, 59704, 68680, 74630, 88678, 149260, 177356, 221695, 298520, 354712, 443390, 753763, 886780, 1507526, 1773560, 3015052, 3768815, 6030104, 7537630, 15075260, 30150520]

約数ペア:

[(1, 30150520), (2, 15075260), (4, 7537630), (5, 6030104), (8, 3768815), (10, 3015052), (17, 1773560), (20, 1507526), (34, 886780), (40, 753763), (68, 443390), (85, 354712), (101, 298520), (136, 221695), (170, 177356), (202, 149260), (340, 88678), (404, 74630), (439, 68680), (505, 59704), (680, 44339), (808, 37315), (878, 34340), (1010, 29852), (1717, 17560), (1756, 17170), (2020, 14926), (2195, 13736), (3434, 8780), (3512, 8585), (4040, 7463), (4390, 6868)]