28690320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 89583552

約数和(自身を除く): 60893232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 691, 692, 865, 1038, 1382, 1384, 1730, 2073, 2076, 2595, 2764, 2768, 3455, 3460, 4146, 4152, 5190, 5528, 6910, 6920, 8292, 8304, 10365, 10380, 11056, 13820, 13840, 16584, 20730, 20760, 27640, 33168, 41460, 41520, 55280, 82920, 119543, 165840, 239086, 358629, 478172, 597715, 717258, 956344, 1195430, 1434516, 1793145, 1912688, 2390860, 2869032, 3586290, 4781720, 5738064, 7172580, 9563440, 14345160, 28690320]

約数ペア:

[(1, 28690320), (2, 14345160), (3, 9563440), (4, 7172580), (5, 5738064), (6, 4781720), (8, 3586290), (10, 2869032), (12, 2390860), (15, 1912688), (16, 1793145), (20, 1434516), (24, 1195430), (30, 956344), (40, 717258), (48, 597715), (60, 478172), (80, 358629), (120, 239086), (173, 165840), (240, 119543), (346, 82920), (519, 55280), (691, 41520), (692, 41460), (865, 33168), (1038, 27640), (1382, 20760), (1384, 20730), (1730, 16584), (2073, 13840), (2076, 13820), (2595, 11056), (2764, 10380), (2768, 10365), (3455, 8304), (3460, 8292), (4146, 6920), (4152, 6910), (5190, 5528)]