80542920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3181}}^1$

素因数の和:3406

約数の個数: 64

約数和(自身を含む): 242850240

約数和(自身を除く): 162307320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3181, 4220, 5064, 6330, 6362, 8440, 9543, 12660, 12724, 15905, 19086, 25320, 25448, 31810, 38172, 47715, 63620, 76344, 95430, 127240, 190860, 381720, 671191, 1342382, 2013573, 2684764, 3355955, 4027146, 5369528, 6711910, 8054292, 10067865, 13423820, 16108584, 20135730, 26847640, 40271460, 80542920]

約数ペア:

[(1, 80542920), (2, 40271460), (3, 26847640), (4, 20135730), (5, 16108584), (6, 13423820), (8, 10067865), (10, 8054292), (12, 6711910), (15, 5369528), (20, 4027146), (24, 3355955), (30, 2684764), (40, 2013573), (60, 1342382), (120, 671191), (211, 381720), (422, 190860), (633, 127240), (844, 95430), (1055, 76344), (1266, 63620), (1688, 47715), (2110, 38172), (2532, 31810), (3165, 25448), (3181, 25320), (4220, 19086), (5064, 15905), (6330, 12724), (6362, 12660), (8440, 9543)]