161213440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 132

約数和(自身を含む): 414738576

約数和(自身を除く): 253525136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 230, 256, 296, 320, 368, 370, 460, 512, 592, 640, 736, 740, 851, 920, 1024, 1184, 1280, 1369, 1472, 1480, 1702, 1840, 2368, 2560, 2738, 2944, 2960, 3404, 3680, 4255, 4736, 5120, 5476, 5888, 5920, 6808, 6845, 7360, 8510, 9472, 10952, 11776, 11840, 13616, 13690, 14720, 17020, 18944, 21904, 23552, 23680, 27232, 27380, 29440, 31487, 34040, 37888, 43808, 47360, 54464, 54760, 58880, 62974, 68080, 87616, 94720, 108928, 109520, 117760, 125948, 136160, 157435, 175232, 189440, 217856, 219040, 251896, 272320, 314870, 350464, 435712, 438080, 503792, 544640, 629740, 700928, 871424, 876160, 1007584, 1089280, 1259480, 1401856, 1752320, 2015168, 2178560, 2518960, 3504640, 4030336, 4357120, 5037920, 7009280, 8060672, 10075840, 16121344, 20151680, 32242688, 40303360, 80606720, 161213440]

約数ペア:

[(1, 161213440), (2, 80606720), (4, 40303360), (5, 32242688), (8, 20151680), (10, 16121344), (16, 10075840), (20, 8060672), (23, 7009280), (32, 5037920), (37, 4357120), (40, 4030336), (46, 3504640), (64, 2518960), (74, 2178560), (80, 2015168), (92, 1752320), (115, 1401856), (128, 1259480), (148, 1089280), (160, 1007584), (184, 876160), (185, 871424), (230, 700928), (256, 629740), (296, 544640), (320, 503792), (368, 438080), (370, 435712), (460, 350464), (512, 314870), (592, 272320), (640, 251896), (736, 219040), (740, 217856), (851, 189440), (920, 175232), (1024, 157435), (1184, 136160), (1280, 125948), (1369, 117760), (1472, 109520), (1480, 108928), (1702, 94720), (1840, 87616), (2368, 68080), (2560, 62974), (2738, 58880), (2944, 54760), (2960, 54464), (3404, 47360), (3680, 43808), (4255, 37888), (4736, 34040), (5120, 31487), (5476, 29440), (5888, 27380), (5920, 27232), (6808, 23680), (6845, 23552), (7360, 21904), (8510, 18944), (9472, 17020), (10952, 14720), (11776, 13690), (11840, 13616)]