12988440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 42728400

約数和(自身を除く): 29739960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 331, 360, 436, 545, 654, 662, 872, 981, 993, 1090, 1308, 1324, 1635, 1655, 1962, 1986, 2180, 2616, 2648, 2979, 3270, 3310, 3924, 3972, 4360, 4905, 4965, 5958, 6540, 6620, 7848, 7944, 9810, 9930, 11916, 13080, 13240, 14895, 19620, 19860, 23832, 29790, 36079, 39240, 39720, 59580, 72158, 108237, 119160, 144316, 180395, 216474, 288632, 324711, 360790, 432948, 541185, 649422, 721580, 865896, 1082370, 1298844, 1443160, 1623555, 2164740, 2597688, 3247110, 4329480, 6494220, 12988440]

約数ペア:

[(1, 12988440), (2, 6494220), (3, 4329480), (4, 3247110), (5, 2597688), (6, 2164740), (8, 1623555), (9, 1443160), (10, 1298844), (12, 1082370), (15, 865896), (18, 721580), (20, 649422), (24, 541185), (30, 432948), (36, 360790), (40, 324711), (45, 288632), (60, 216474), (72, 180395), (90, 144316), (109, 119160), (120, 108237), (180, 72158), (218, 59580), (327, 39720), (331, 39240), (360, 36079), (436, 29790), (545, 23832), (654, 19860), (662, 19620), (872, 14895), (981, 13240), (993, 13080), (1090, 11916), (1308, 9930), (1324, 9810), (1635, 7944), (1655, 7848), (1962, 6620), (1986, 6540), (2180, 5958), (2616, 4965), (2648, 4905), (2979, 4360), (3270, 3972), (3310, 3924)]