19781143320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{987083}}^1$

素因数の和:987264

約数の個数: 64

約数和(自身を含む): 59698840320

約数和(自身を除く): 39917697000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1336, 1670, 2004, 2505, 3340, 4008, 5010, 6680, 10020, 20040, 987083, 1974166, 2961249, 3948332, 4935415, 5922498, 7896664, 9870830, 11844996, 14806245, 19741660, 23689992, 29612490, 39483320, 59224980, 118449960, 164842861, 329685722, 494528583, 659371444, 824214305, 989057166, 1318742888, 1648428610, 1978114332, 2472642915, 3296857220, 3956228664, 4945285830, 6593714440, 9890571660, 19781143320]

約数ペア:

[(1, 19781143320), (2, 9890571660), (3, 6593714440), (4, 4945285830), (5, 3956228664), (6, 3296857220), (8, 2472642915), (10, 1978114332), (12, 1648428610), (15, 1318742888), (20, 989057166), (24, 824214305), (30, 659371444), (40, 494528583), (60, 329685722), (120, 164842861), (167, 118449960), (334, 59224980), (501, 39483320), (668, 29612490), (835, 23689992), (1002, 19741660), (1336, 14806245), (1670, 11844996), (2004, 9870830), (2505, 7896664), (3340, 5922498), (4008, 4935415), (5010, 3948332), (6680, 2961249), (10020, 1974166), (20040, 987083)]