137728040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 323136000

約数和(自身を除く): 185407960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1019, 1090, 1240, 2038, 2180, 3379, 4076, 4360, 5095, 6758, 8152, 10190, 13516, 16895, 20380, 27032, 31589, 33790, 40760, 63178, 67580, 111071, 126356, 135160, 157945, 222142, 252712, 315890, 444284, 555355, 631780, 888568, 1110710, 1263560, 2221420, 3443201, 4442840, 6886402, 13772804, 17216005, 27545608, 34432010, 68864020, 137728040]

約数ペア:

[(1, 137728040), (2, 68864020), (4, 34432010), (5, 27545608), (8, 17216005), (10, 13772804), (20, 6886402), (31, 4442840), (40, 3443201), (62, 2221420), (109, 1263560), (124, 1110710), (155, 888568), (218, 631780), (248, 555355), (310, 444284), (436, 315890), (545, 252712), (620, 222142), (872, 157945), (1019, 135160), (1090, 126356), (1240, 111071), (2038, 67580), (2180, 63178), (3379, 40760), (4076, 33790), (4360, 31589), (5095, 27032), (6758, 20380), (8152, 16895), (10190, 13516)]