8540820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2101

約数の個数: 72

約数和(自身を含む): 27046656

約数和(自身を除く): 18505836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2063, 2070, 4126, 4140, 6189, 8252, 10315, 12378, 18567, 20630, 24756, 30945, 37134, 41260, 47449, 61890, 74268, 92835, 94898, 123780, 142347, 185670, 189796, 237245, 284694, 371340, 427041, 474490, 569388, 711735, 854082, 948980, 1423470, 1708164, 2135205, 2846940, 4270410, 8540820]

約数ペア:

[(1, 8540820), (2, 4270410), (3, 2846940), (4, 2135205), (5, 1708164), (6, 1423470), (9, 948980), (10, 854082), (12, 711735), (15, 569388), (18, 474490), (20, 427041), (23, 371340), (30, 284694), (36, 237245), (45, 189796), (46, 185670), (60, 142347), (69, 123780), (90, 94898), (92, 92835), (115, 74268), (138, 61890), (180, 47449), (207, 41260), (230, 37134), (276, 30945), (345, 24756), (414, 20630), (460, 18567), (690, 12378), (828, 10315), (1035, 8252), (1380, 6189), (2063, 4140), (2070, 4126)]