121217720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12269}}^1$

素因数の和:12312

約数の個数: 64

約数和(自身を含む): 309204000

約数和(自身を除く): 187986280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 12269, 24538, 49076, 61345, 98152, 122690, 159497, 233111, 245380, 318994, 466222, 490760, 637988, 797485, 932444, 1165555, 1275976, 1594970, 1864888, 2331110, 3030443, 3189940, 4662220, 6060886, 6379880, 9324440, 12121772, 15152215, 24243544, 30304430, 60608860, 121217720]

約数ペア:

[(1, 121217720), (2, 60608860), (4, 30304430), (5, 24243544), (8, 15152215), (10, 12121772), (13, 9324440), (19, 6379880), (20, 6060886), (26, 4662220), (38, 3189940), (40, 3030443), (52, 2331110), (65, 1864888), (76, 1594970), (95, 1275976), (104, 1165555), (130, 932444), (152, 797485), (190, 637988), (247, 490760), (260, 466222), (380, 318994), (494, 245380), (520, 233111), (760, 159497), (988, 122690), (1235, 98152), (1976, 61345), (2470, 49076), (4940, 24538), (9880, 12269)]