1947640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 4795200

約数和(自身を除く): 2847560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 73, 92, 115, 116, 145, 146, 184, 230, 232, 290, 292, 365, 460, 580, 584, 667, 730, 920, 1160, 1334, 1460, 1679, 2117, 2668, 2920, 3335, 3358, 4234, 5336, 6670, 6716, 8395, 8468, 10585, 13340, 13432, 16790, 16936, 21170, 26680, 33580, 42340, 48691, 67160, 84680, 97382, 194764, 243455, 389528, 486910, 973820, 1947640]

約数ペア:

[(1, 1947640), (2, 973820), (4, 486910), (5, 389528), (8, 243455), (10, 194764), (20, 97382), (23, 84680), (29, 67160), (40, 48691), (46, 42340), (58, 33580), (73, 26680), (92, 21170), (115, 16936), (116, 16790), (145, 13432), (146, 13340), (184, 10585), (230, 8468), (232, 8395), (290, 6716), (292, 6670), (365, 5336), (460, 4234), (580, 3358), (584, 3335), (667, 2920), (730, 2668), (920, 2117), (1160, 1679), (1334, 1460)]