637867920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5413}}^1$

素因数の和:5920

約数の個数: 80

約数和(自身を含む): 1981783872

約数和(自身を除く): 1343915952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1964, 2455, 2946, 3928, 4910, 5413, 5892, 7365, 7856, 9820, 10826, 11784, 14730, 16239, 19640, 21652, 23568, 27065, 29460, 32478, 39280, 43304, 54130, 58920, 64956, 81195, 86608, 108260, 117840, 129912, 162390, 216520, 259824, 324780, 433040, 649560, 1299120, 2657783, 5315566, 7973349, 10631132, 13288915, 15946698, 21262264, 26577830, 31893396, 39866745, 42524528, 53155660, 63786792, 79733490, 106311320, 127573584, 159466980, 212622640, 318933960, 637867920]

約数ペア:

[(1, 637867920), (2, 318933960), (3, 212622640), (4, 159466980), (5, 127573584), (6, 106311320), (8, 79733490), (10, 63786792), (12, 53155660), (15, 42524528), (16, 39866745), (20, 31893396), (24, 26577830), (30, 21262264), (40, 15946698), (48, 13288915), (60, 10631132), (80, 7973349), (120, 5315566), (240, 2657783), (491, 1299120), (982, 649560), (1473, 433040), (1964, 324780), (2455, 259824), (2946, 216520), (3928, 162390), (4910, 129912), (5413, 117840), (5892, 108260), (7365, 86608), (7856, 81195), (9820, 64956), (10826, 58920), (11784, 54130), (14730, 43304), (16239, 39280), (19640, 32478), (21652, 29460), (23568, 27065)]