133221560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 309355200

約数和(自身を除く): 176133640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 769, 1220, 1420, 1538, 2440, 2840, 3076, 3845, 4331, 6152, 7690, 8662, 15380, 17324, 21655, 30760, 34648, 43310, 46909, 54599, 86620, 93818, 109198, 173240, 187636, 218396, 234545, 272995, 375272, 436792, 469090, 545990, 938180, 1091980, 1876360, 2183960, 3330539, 6661078, 13322156, 16652695, 26644312, 33305390, 66610780, 133221560]

約数ペア:

[(1, 133221560), (2, 66610780), (4, 33305390), (5, 26644312), (8, 16652695), (10, 13322156), (20, 6661078), (40, 3330539), (61, 2183960), (71, 1876360), (122, 1091980), (142, 938180), (244, 545990), (284, 469090), (305, 436792), (355, 375272), (488, 272995), (568, 234545), (610, 218396), (710, 187636), (769, 173240), (1220, 109198), (1420, 93818), (1538, 86620), (2440, 54599), (2840, 46909), (3076, 43310), (3845, 34648), (4331, 30760), (6152, 21655), (7690, 17324), (8662, 15380)]