220474920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18191}}^1$

素因数の和:18306

約数の個数: 64

約数和(自身を含む): 668010240

約数和(自身を除く): 447535320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 18191, 36382, 54573, 72764, 90955, 109146, 145528, 181910, 218292, 272865, 363820, 436584, 545730, 727640, 1091460, 1837291, 2182920, 3674582, 5511873, 7349164, 9186455, 11023746, 14698328, 18372910, 22047492, 27559365, 36745820, 44094984, 55118730, 73491640, 110237460, 220474920]

約数ペア:

[(1, 220474920), (2, 110237460), (3, 73491640), (4, 55118730), (5, 44094984), (6, 36745820), (8, 27559365), (10, 22047492), (12, 18372910), (15, 14698328), (20, 11023746), (24, 9186455), (30, 7349164), (40, 5511873), (60, 3674582), (101, 2182920), (120, 1837291), (202, 1091460), (303, 727640), (404, 545730), (505, 436584), (606, 363820), (808, 272865), (1010, 218292), (1212, 181910), (1515, 145528), (2020, 109146), (2424, 90955), (3030, 72764), (4040, 54573), (6060, 36382), (12120, 18191)]