19861680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82757}}^1$

素因数の和:82773

約数の個数: 40

約数和(自身を含む): 61571952

約数和(自身を除く): 41710272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82757, 165514, 248271, 331028, 413785, 496542, 662056, 827570, 993084, 1241355, 1324112, 1655140, 1986168, 2482710, 3310280, 3972336, 4965420, 6620560, 9930840, 19861680]

約数ペア:

[(1, 19861680), (2, 9930840), (3, 6620560), (4, 4965420), (5, 3972336), (6, 3310280), (8, 2482710), (10, 1986168), (12, 1655140), (15, 1324112), (16, 1241355), (20, 993084), (24, 827570), (30, 662056), (40, 496542), (48, 413785), (60, 331028), (80, 248271), (120, 165514), (240, 82757)]