2147220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 6639360

約数和(自身を除く): 4492140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 151, 158, 180, 237, 302, 316, 395, 453, 474, 604, 711, 755, 790, 906, 948, 1185, 1359, 1422, 1510, 1580, 1812, 2265, 2370, 2718, 2844, 3020, 3555, 4530, 4740, 5436, 6795, 7110, 9060, 11929, 13590, 14220, 23858, 27180, 35787, 47716, 59645, 71574, 107361, 119290, 143148, 178935, 214722, 238580, 357870, 429444, 536805, 715740, 1073610, 2147220]

約数ペア:

[(1, 2147220), (2, 1073610), (3, 715740), (4, 536805), (5, 429444), (6, 357870), (9, 238580), (10, 214722), (12, 178935), (15, 143148), (18, 119290), (20, 107361), (30, 71574), (36, 59645), (45, 47716), (60, 35787), (79, 27180), (90, 23858), (151, 14220), (158, 13590), (180, 11929), (237, 9060), (302, 7110), (316, 6795), (395, 5436), (453, 4740), (474, 4530), (604, 3555), (711, 3020), (755, 2844), (790, 2718), (906, 2370), (948, 2265), (1185, 1812), (1359, 1580), (1422, 1510)]