81322320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2029}}^1$

素因数の和:2212

約数の個数: 80

約数和(自身を含む): 253733760

約数和(自身を除く): 172411440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 167, 240, 334, 501, 668, 835, 1002, 1336, 1670, 2004, 2029, 2505, 2672, 3340, 4008, 4058, 5010, 6087, 6680, 8016, 8116, 10020, 10145, 12174, 13360, 16232, 20040, 20290, 24348, 30435, 32464, 40080, 40580, 48696, 60870, 81160, 97392, 121740, 162320, 243480, 338843, 486960, 677686, 1016529, 1355372, 1694215, 2033058, 2710744, 3388430, 4066116, 5082645, 5421488, 6776860, 8132232, 10165290, 13553720, 16264464, 20330580, 27107440, 40661160, 81322320]

約数ペア:

[(1, 81322320), (2, 40661160), (3, 27107440), (4, 20330580), (5, 16264464), (6, 13553720), (8, 10165290), (10, 8132232), (12, 6776860), (15, 5421488), (16, 5082645), (20, 4066116), (24, 3388430), (30, 2710744), (40, 2033058), (48, 1694215), (60, 1355372), (80, 1016529), (120, 677686), (167, 486960), (240, 338843), (334, 243480), (501, 162320), (668, 121740), (835, 97392), (1002, 81160), (1336, 60870), (1670, 48696), (2004, 40580), (2029, 40080), (2505, 32464), (2672, 30435), (3340, 24348), (4008, 20290), (4058, 20040), (5010, 16232), (6087, 13360), (6680, 12174), (8016, 10145), (8116, 10020)]