42339920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1543}}^1$

素因数の和:1577

約数の個数: 80

約数和(自身を含む): 114873600

約数和(自身を除く): 72533680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1543, 1715, 1960, 2744, 3086, 3430, 3920, 5488, 6172, 6860, 7715, 10801, 12344, 13720, 15430, 21602, 24688, 27440, 30860, 43204, 54005, 61720, 75607, 86408, 108010, 123440, 151214, 172816, 216020, 302428, 378035, 432040, 529249, 604856, 756070, 864080, 1058498, 1209712, 1512140, 2116996, 2646245, 3024280, 4233992, 5292490, 6048560, 8467984, 10584980, 21169960, 42339920]

約数ペア:

[(1, 42339920), (2, 21169960), (4, 10584980), (5, 8467984), (7, 6048560), (8, 5292490), (10, 4233992), (14, 3024280), (16, 2646245), (20, 2116996), (28, 1512140), (35, 1209712), (40, 1058498), (49, 864080), (56, 756070), (70, 604856), (80, 529249), (98, 432040), (112, 378035), (140, 302428), (196, 216020), (245, 172816), (280, 151214), (343, 123440), (392, 108010), (490, 86408), (560, 75607), (686, 61720), (784, 54005), (980, 43204), (1372, 30860), (1543, 27440), (1715, 24688), (1960, 21602), (2744, 15430), (3086, 13720), (3430, 12344), (3920, 10801), (5488, 7715), (6172, 6860)]