122912385040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{31393}}^1$

素因数の和:31964

約数の個数: 80

約数和(自身を含む): 289044558000

約数和(自身を除く): 166132172960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 449, 545, 872, 898, 1090, 1744, 1796, 2180, 2245, 3592, 4360, 4490, 7184, 8720, 8980, 17960, 31393, 35920, 48941, 62786, 97882, 125572, 156965, 195764, 244705, 251144, 313930, 391528, 489410, 502288, 627860, 783056, 978820, 1255720, 1957640, 2511440, 3421837, 3915280, 6843674, 13687348, 14095457, 17109185, 27374696, 28190914, 34218370, 54749392, 56381828, 68436740, 70477285, 112763656, 136873480, 140954570, 225527312, 273746960, 281909140, 563818280, 1127636560, 1536404813, 3072809626, 6145619252, 7682024065, 12291238504, 15364048130, 24582477008, 30728096260, 61456192520, 122912385040]

約数ペア:

[(1, 122912385040), (2, 61456192520), (4, 30728096260), (5, 24582477008), (8, 15364048130), (10, 12291238504), (16, 7682024065), (20, 6145619252), (40, 3072809626), (80, 1536404813), (109, 1127636560), (218, 563818280), (436, 281909140), (449, 273746960), (545, 225527312), (872, 140954570), (898, 136873480), (1090, 112763656), (1744, 70477285), (1796, 68436740), (2180, 56381828), (2245, 54749392), (3592, 34218370), (4360, 28190914), (4490, 27374696), (7184, 17109185), (8720, 14095457), (8980, 13687348), (17960, 6843674), (31393, 3915280), (35920, 3421837), (48941, 2511440), (62786, 1957640), (97882, 1255720), (125572, 978820), (156965, 783056), (195764, 627860), (244705, 502288), (251144, 489410), (313930, 391528)]