646275280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12967}}^1$

素因数の和:13076

約数の個数: 80

約数和(自身を含む): 1736674560

約数和(自身を除く): 1090399280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 12967, 24920, 25934, 49840, 51868, 64835, 90769, 103736, 129670, 181538, 207472, 259340, 363076, 453845, 518680, 726152, 907690, 1037360, 1154063, 1452304, 1815380, 2308126, 3630760, 4616252, 5770315, 7261520, 8078441, 9232504, 11540630, 16156882, 18465008, 23081260, 32313764, 40392205, 46162520, 64627528, 80784410, 92325040, 129255056, 161568820, 323137640, 646275280]

約数ペア:

[(1, 646275280), (2, 323137640), (4, 161568820), (5, 129255056), (7, 92325040), (8, 80784410), (10, 64627528), (14, 46162520), (16, 40392205), (20, 32313764), (28, 23081260), (35, 18465008), (40, 16156882), (56, 11540630), (70, 9232504), (80, 8078441), (89, 7261520), (112, 5770315), (140, 4616252), (178, 3630760), (280, 2308126), (356, 1815380), (445, 1452304), (560, 1154063), (623, 1037360), (712, 907690), (890, 726152), (1246, 518680), (1424, 453845), (1780, 363076), (2492, 259340), (3115, 207472), (3560, 181538), (4984, 129670), (6230, 103736), (7120, 90769), (9968, 64835), (12460, 51868), (12967, 49840), (24920, 25934)]