8938920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 27040320

約数和(自身を除く): 18101400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 457, 489, 652, 815, 914, 978, 1304, 1371, 1630, 1828, 1956, 2285, 2445, 2742, 3260, 3656, 3912, 4570, 4890, 5484, 6520, 6855, 9140, 9780, 10968, 13710, 18280, 19560, 27420, 54840, 74491, 148982, 223473, 297964, 372455, 446946, 595928, 744910, 893892, 1117365, 1489820, 1787784, 2234730, 2979640, 4469460, 8938920]

約数ペア:

[(1, 8938920), (2, 4469460), (3, 2979640), (4, 2234730), (5, 1787784), (6, 1489820), (8, 1117365), (10, 893892), (12, 744910), (15, 595928), (20, 446946), (24, 372455), (30, 297964), (40, 223473), (60, 148982), (120, 74491), (163, 54840), (326, 27420), (457, 19560), (489, 18280), (652, 13710), (815, 10968), (914, 9780), (978, 9140), (1304, 6855), (1371, 6520), (1630, 5484), (1828, 4890), (1956, 4570), (2285, 3912), (2445, 3656), (2742, 3260)]