9999509580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509659}}^1$

素因数の和:509783

約数の個数: 72

約数和(自身を含む): 30610179600

約数和(自身を除く): 20610670020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 509659, 1019318, 1528977, 2038636, 2548295, 3057954, 4586931, 5096590, 6115908, 7644885, 9173862, 10193180, 15289770, 18347724, 22934655, 30579540, 45869310, 55552831, 91738620, 111105662, 166658493, 222211324, 277764155, 333316986, 499975479, 555528310, 666633972, 833292465, 999950958, 1111056620, 1666584930, 1999901916, 2499877395, 3333169860, 4999754790, 9999509580]

約数ペア:

[(1, 9999509580), (2, 4999754790), (3, 3333169860), (4, 2499877395), (5, 1999901916), (6, 1666584930), (9, 1111056620), (10, 999950958), (12, 833292465), (15, 666633972), (18, 555528310), (20, 499975479), (30, 333316986), (36, 277764155), (45, 222211324), (60, 166658493), (90, 111105662), (109, 91738620), (180, 55552831), (218, 45869310), (327, 30579540), (436, 22934655), (545, 18347724), (654, 15289770), (981, 10193180), (1090, 9173862), (1308, 7644885), (1635, 6115908), (1962, 5096590), (2180, 4586931), (3270, 3057954), (3924, 2548295), (4905, 2038636), (6540, 1528977), (9810, 1019318), (19620, 509659)]