128396240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13487}}^1$

素因数の和:13524

約数の個数: 80

約数和(自身を含む): 361262592

約数和(自身を除く): 232866352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 13487, 26974, 53948, 67435, 94409, 107896, 134870, 188818, 215792, 229279, 269740, 377636, 458558, 472045, 539480, 755272, 917116, 944090, 1078960, 1146395, 1510544, 1604953, 1834232, 1888180, 2292790, 3209906, 3668464, 3776360, 4585580, 6419812, 7552720, 8024765, 9171160, 12839624, 16049530, 18342320, 25679248, 32099060, 64198120, 128396240]

約数ペア:

[(1, 128396240), (2, 64198120), (4, 32099060), (5, 25679248), (7, 18342320), (8, 16049530), (10, 12839624), (14, 9171160), (16, 8024765), (17, 7552720), (20, 6419812), (28, 4585580), (34, 3776360), (35, 3668464), (40, 3209906), (56, 2292790), (68, 1888180), (70, 1834232), (80, 1604953), (85, 1510544), (112, 1146395), (119, 1078960), (136, 944090), (140, 917116), (170, 755272), (238, 539480), (272, 472045), (280, 458558), (340, 377636), (476, 269740), (560, 229279), (595, 215792), (680, 188818), (952, 134870), (1190, 107896), (1360, 94409), (1904, 67435), (2380, 53948), (4760, 26974), (9520, 13487)]