313695920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1734

約数の個数: 80

約数和(自身を含む): 760263840

約数和(自身を除く): 446567920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 59, 80, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 656, 820, 944, 1180, 1621, 1640, 2360, 2419, 3242, 3280, 4720, 4838, 6484, 8105, 9676, 12095, 12968, 16210, 19352, 24190, 25936, 32420, 38704, 48380, 64840, 66461, 95639, 96760, 129680, 132922, 191278, 193520, 265844, 332305, 382556, 478195, 531688, 664610, 765112, 956390, 1063376, 1329220, 1530224, 1912780, 2658440, 3825560, 3921199, 5316880, 7651120, 7842398, 15684796, 19605995, 31369592, 39211990, 62739184, 78423980, 156847960, 313695920]

約数ペア:

[(1, 313695920), (2, 156847960), (4, 78423980), (5, 62739184), (8, 39211990), (10, 31369592), (16, 19605995), (20, 15684796), (40, 7842398), (41, 7651120), (59, 5316880), (80, 3921199), (82, 3825560), (118, 2658440), (164, 1912780), (205, 1530224), (236, 1329220), (295, 1063376), (328, 956390), (410, 765112), (472, 664610), (590, 531688), (656, 478195), (820, 382556), (944, 332305), (1180, 265844), (1621, 193520), (1640, 191278), (2360, 132922), (2419, 129680), (3242, 96760), (3280, 95639), (4720, 66461), (4838, 64840), (6484, 48380), (8105, 38704), (9676, 32420), (12095, 25936), (12968, 24190), (16210, 19352)]