178580970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 502848000

約数和(自身を除く): 324267030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 149, 193, 207, 230, 270, 298, 345, 386, 414, 447, 579, 621, 690, 745, 894, 965, 1035, 1158, 1242, 1341, 1490, 1737, 1930, 2070, 2235, 2682, 2895, 3105, 3427, 3474, 4023, 4439, 4470, 5211, 5790, 6210, 6705, 6854, 8046, 8685, 8878, 10281, 10422, 13317, 13410, 17135, 17370, 20115, 20562, 22195, 26055, 26634, 28757, 30843, 34270, 39951, 40230, 44390, 51405, 52110, 57514, 61686, 66585, 79902, 86271, 92529, 102810, 119853, 133170, 143785, 154215, 172542, 185058, 199755, 239706, 258813, 287570, 308430, 399510, 431355, 462645, 517626, 599265, 661411, 776439, 862710, 925290, 1198530, 1294065, 1322822, 1552878, 1984233, 2588130, 3307055, 3882195, 3968466, 5952699, 6614110, 7764390, 9921165, 11905398, 17858097, 19842330, 29763495, 35716194, 59526990, 89290485, 178580970]

約数ペア:

[(1, 178580970), (2, 89290485), (3, 59526990), (5, 35716194), (6, 29763495), (9, 19842330), (10, 17858097), (15, 11905398), (18, 9921165), (23, 7764390), (27, 6614110), (30, 5952699), (45, 3968466), (46, 3882195), (54, 3307055), (69, 2588130), (90, 1984233), (115, 1552878), (135, 1322822), (138, 1294065), (149, 1198530), (193, 925290), (207, 862710), (230, 776439), (270, 661411), (298, 599265), (345, 517626), (386, 462645), (414, 431355), (447, 399510), (579, 308430), (621, 287570), (690, 258813), (745, 239706), (894, 199755), (965, 185058), (1035, 172542), (1158, 154215), (1242, 143785), (1341, 133170), (1490, 119853), (1737, 102810), (1930, 92529), (2070, 86271), (2235, 79902), (2682, 66585), (2895, 61686), (3105, 57514), (3427, 52110), (3474, 51405), (4023, 44390), (4439, 40230), (4470, 39951), (5211, 34270), (5790, 30843), (6210, 28757), (6705, 26634), (6854, 26055), (8046, 22195), (8685, 20562), (8878, 20115), (10281, 17370), (10422, 17135), (13317, 13410)]