39878760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 120067200

約数和(自身を除く): 80188440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 439, 757, 878, 1317, 1514, 1756, 2195, 2271, 2634, 3028, 3512, 3785, 4390, 4542, 5268, 6056, 6585, 7570, 8780, 9084, 10536, 11355, 13170, 15140, 17560, 18168, 22710, 26340, 30280, 45420, 52680, 90840, 332323, 664646, 996969, 1329292, 1661615, 1993938, 2658584, 3323230, 3987876, 4984845, 6646460, 7975752, 9969690, 13292920, 19939380, 39878760]

約数ペア:

[(1, 39878760), (2, 19939380), (3, 13292920), (4, 9969690), (5, 7975752), (6, 6646460), (8, 4984845), (10, 3987876), (12, 3323230), (15, 2658584), (20, 1993938), (24, 1661615), (30, 1329292), (40, 996969), (60, 664646), (120, 332323), (439, 90840), (757, 52680), (878, 45420), (1317, 30280), (1514, 26340), (1756, 22710), (2195, 18168), (2271, 17560), (2634, 15140), (3028, 13170), (3512, 11355), (3785, 10536), (4390, 9084), (4542, 8780), (5268, 7570), (6056, 6585)]