15189020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1409}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 40506480

約数和(自身を除く): 25317460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1409, 1540, 2156, 2695, 2818, 5390, 5636, 7045, 9863, 10780, 14090, 15499, 19726, 28180, 30998, 39452, 49315, 61996, 69041, 77495, 98630, 108493, 138082, 154990, 197260, 216986, 276164, 309980, 345205, 433972, 542465, 690410, 759451, 1084930, 1380820, 1518902, 2169860, 3037804, 3797255, 7594510, 15189020]

約数ペア:

[(1, 15189020), (2, 7594510), (4, 3797255), (5, 3037804), (7, 2169860), (10, 1518902), (11, 1380820), (14, 1084930), (20, 759451), (22, 690410), (28, 542465), (35, 433972), (44, 345205), (49, 309980), (55, 276164), (70, 216986), (77, 197260), (98, 154990), (110, 138082), (140, 108493), (154, 98630), (196, 77495), (220, 69041), (245, 61996), (308, 49315), (385, 39452), (490, 30998), (539, 28180), (770, 19726), (980, 15499), (1078, 14090), (1409, 10780), (1540, 9863), (2156, 7045), (2695, 5636), (2818, 5390)]