638613960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{100411}}^1$

素因数の和:100478

約数の個数: 64

約数和(自身を含む): 1952009280

約数和(自身を除く): 1313395320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 100411, 200822, 301233, 401644, 502055, 602466, 803288, 1004110, 1204932, 1506165, 2008220, 2409864, 3012330, 4016440, 5321783, 6024660, 10643566, 12049320, 15965349, 21287132, 26608915, 31930698, 42574264, 53217830, 63861396, 79826745, 106435660, 127722792, 159653490, 212871320, 319306980, 638613960]

約数ペア:

[(1, 638613960), (2, 319306980), (3, 212871320), (4, 159653490), (5, 127722792), (6, 106435660), (8, 79826745), (10, 63861396), (12, 53217830), (15, 42574264), (20, 31930698), (24, 26608915), (30, 21287132), (40, 15965349), (53, 12049320), (60, 10643566), (106, 6024660), (120, 5321783), (159, 4016440), (212, 3012330), (265, 2409864), (318, 2008220), (424, 1506165), (530, 1204932), (636, 1004110), (795, 803288), (1060, 602466), (1272, 502055), (1590, 401644), (2120, 301233), (3180, 200822), (6360, 100411)]