29921880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 90136800

約数和(自身を除く): 60214920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 641, 778, 1167, 1282, 1556, 1923, 1945, 2334, 2564, 3112, 3205, 3846, 3890, 4668, 5128, 5835, 6410, 7692, 7780, 9336, 9615, 11670, 12820, 15384, 15560, 19230, 23340, 25640, 38460, 46680, 76920, 249349, 498698, 748047, 997396, 1246745, 1496094, 1994792, 2493490, 2992188, 3740235, 4986980, 5984376, 7480470, 9973960, 14960940, 29921880]

約数ペア:

[(1, 29921880), (2, 14960940), (3, 9973960), (4, 7480470), (5, 5984376), (6, 4986980), (8, 3740235), (10, 2992188), (12, 2493490), (15, 1994792), (20, 1496094), (24, 1246745), (30, 997396), (40, 748047), (60, 498698), (120, 249349), (389, 76920), (641, 46680), (778, 38460), (1167, 25640), (1282, 23340), (1556, 19230), (1923, 15560), (1945, 15384), (2334, 12820), (2564, 11670), (3112, 9615), (3205, 9336), (3846, 7780), (3890, 7692), (4668, 6410), (5128, 5835)]