131715280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 318979584

約数和(自身を除く): 187264304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 173, 248, 307, 310, 346, 496, 614, 620, 692, 865, 1228, 1240, 1384, 1535, 1730, 2456, 2480, 2768, 3070, 3460, 4912, 5363, 6140, 6920, 9517, 10726, 12280, 13840, 19034, 21452, 24560, 26815, 38068, 42904, 47585, 53111, 53630, 76136, 85808, 95170, 106222, 107260, 152272, 190340, 212444, 214520, 265555, 380680, 424888, 429040, 531110, 761360, 849776, 1062220, 1646441, 2124440, 3292882, 4248880, 6585764, 8232205, 13171528, 16464410, 26343056, 32928820, 65857640, 131715280]

約数ペア:

[(1, 131715280), (2, 65857640), (4, 32928820), (5, 26343056), (8, 16464410), (10, 13171528), (16, 8232205), (20, 6585764), (31, 4248880), (40, 3292882), (62, 2124440), (80, 1646441), (124, 1062220), (155, 849776), (173, 761360), (248, 531110), (307, 429040), (310, 424888), (346, 380680), (496, 265555), (614, 214520), (620, 212444), (692, 190340), (865, 152272), (1228, 107260), (1240, 106222), (1384, 95170), (1535, 85808), (1730, 76136), (2456, 53630), (2480, 53111), (2768, 47585), (3070, 42904), (3460, 38068), (4912, 26815), (5363, 24560), (6140, 21452), (6920, 19034), (9517, 13840), (10726, 12280)]