1212757740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{33857}}^1$

素因数の和:34071

約数の個数: 72

約数和(自身を含む): 3697293600

約数和(自身を除く): 2484535860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 33857, 35820, 67714, 101571, 135428, 169285, 203142, 304713, 338570, 406284, 507855, 609426, 677140, 1015710, 1218852, 1523565, 2031420, 3047130, 6094260, 6737543, 13475086, 20212629, 26950172, 33687715, 40425258, 60637887, 67375430, 80850516, 101063145, 121275774, 134750860, 202126290, 242551548, 303189435, 404252580, 606378870, 1212757740]

約数ペア:

[(1, 1212757740), (2, 606378870), (3, 404252580), (4, 303189435), (5, 242551548), (6, 202126290), (9, 134750860), (10, 121275774), (12, 101063145), (15, 80850516), (18, 67375430), (20, 60637887), (30, 40425258), (36, 33687715), (45, 26950172), (60, 20212629), (90, 13475086), (180, 6737543), (199, 6094260), (398, 3047130), (597, 2031420), (796, 1523565), (995, 1218852), (1194, 1015710), (1791, 677140), (1990, 609426), (2388, 507855), (2985, 406284), (3582, 338570), (3980, 304713), (5970, 203142), (7164, 169285), (8955, 135428), (11940, 101571), (17910, 67714), (33857, 35820)]