261639160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{797}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 611906400

約数和(自身を除く): 350267240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 283, 290, 566, 580, 797, 1132, 1160, 1415, 1594, 2264, 2830, 3188, 3985, 5660, 6376, 7970, 8207, 11320, 15940, 16414, 23113, 31880, 32828, 41035, 46226, 65656, 82070, 92452, 115565, 164140, 184904, 225551, 231130, 328280, 451102, 462260, 902204, 924520, 1127755, 1804408, 2255510, 4511020, 6540979, 9022040, 13081958, 26163916, 32704895, 52327832, 65409790, 130819580, 261639160]

約数ペア:

[(1, 261639160), (2, 130819580), (4, 65409790), (5, 52327832), (8, 32704895), (10, 26163916), (20, 13081958), (29, 9022040), (40, 6540979), (58, 4511020), (116, 2255510), (145, 1804408), (232, 1127755), (283, 924520), (290, 902204), (566, 462260), (580, 451102), (797, 328280), (1132, 231130), (1160, 225551), (1415, 184904), (1594, 164140), (2264, 115565), (2830, 92452), (3188, 82070), (3985, 65656), (5660, 46226), (6376, 41035), (7970, 32828), (8207, 31880), (11320, 23113), (15940, 16414)]