219637120

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 562256640

約数和(自身を除く): 342619520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 92, 115, 128, 160, 172, 184, 215, 230, 320, 344, 347, 368, 430, 460, 640, 688, 694, 736, 860, 920, 989, 1376, 1388, 1472, 1720, 1735, 1840, 1978, 2752, 2776, 2944, 3440, 3470, 3680, 3956, 4945, 5504, 5552, 6880, 6940, 7360, 7912, 7981, 9890, 11104, 13760, 13880, 14720, 14921, 15824, 15962, 19780, 22208, 27520, 27760, 29842, 31648, 31924, 39560, 39905, 44416, 55520, 59684, 63296, 63848, 74605, 79120, 79810, 111040, 119368, 126592, 127696, 149210, 158240, 159620, 222080, 238736, 255392, 298420, 316480, 319240, 343183, 477472, 510784, 596840, 632960, 638480, 686366, 954944, 1021568, 1193680, 1276960, 1372732, 1715915, 1909888, 2387360, 2553920, 2745464, 3431830, 4774720, 5107840, 5490928, 6863660, 9549440, 10981856, 13727320, 21963712, 27454640, 43927424, 54909280, 109818560, 219637120]

約数ペア:

[(1, 219637120), (2, 109818560), (4, 54909280), (5, 43927424), (8, 27454640), (10, 21963712), (16, 13727320), (20, 10981856), (23, 9549440), (32, 6863660), (40, 5490928), (43, 5107840), (46, 4774720), (64, 3431830), (80, 2745464), (86, 2553920), (92, 2387360), (115, 1909888), (128, 1715915), (160, 1372732), (172, 1276960), (184, 1193680), (215, 1021568), (230, 954944), (320, 686366), (344, 638480), (347, 632960), (368, 596840), (430, 510784), (460, 477472), (640, 343183), (688, 319240), (694, 316480), (736, 298420), (860, 255392), (920, 238736), (989, 222080), (1376, 159620), (1388, 158240), (1472, 149210), (1720, 127696), (1735, 126592), (1840, 119368), (1978, 111040), (2752, 79810), (2776, 79120), (2944, 74605), (3440, 63848), (3470, 63296), (3680, 59684), (3956, 55520), (4945, 44416), (5504, 39905), (5552, 39560), (6880, 31924), (6940, 31648), (7360, 29842), (7912, 27760), (7981, 27520), (9890, 22208), (11104, 19780), (13760, 15962), (13880, 15824), (14720, 14921)]