31285520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 88547904

約数和(自身を除く): 57262384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 347, 368, 392, 460, 490, 560, 644, 694, 784, 805, 920, 980, 1127, 1288, 1388, 1610, 1735, 1840, 1960, 2254, 2429, 2576, 2776, 3220, 3470, 3920, 4508, 4858, 5552, 5635, 6440, 6940, 7981, 9016, 9716, 11270, 12145, 12880, 13880, 15962, 17003, 18032, 19432, 22540, 24290, 27760, 31924, 34006, 38864, 39905, 45080, 48580, 55867, 63848, 68012, 79810, 85015, 90160, 97160, 111734, 127696, 136024, 159620, 170030, 194320, 223468, 272048, 279335, 319240, 340060, 391069, 446936, 558670, 638480, 680120, 782138, 893872, 1117340, 1360240, 1564276, 1955345, 2234680, 3128552, 3910690, 4469360, 6257104, 7821380, 15642760, 31285520]

約数ペア:

[(1, 31285520), (2, 15642760), (4, 7821380), (5, 6257104), (7, 4469360), (8, 3910690), (10, 3128552), (14, 2234680), (16, 1955345), (20, 1564276), (23, 1360240), (28, 1117340), (35, 893872), (40, 782138), (46, 680120), (49, 638480), (56, 558670), (70, 446936), (80, 391069), (92, 340060), (98, 319240), (112, 279335), (115, 272048), (140, 223468), (161, 194320), (184, 170030), (196, 159620), (230, 136024), (245, 127696), (280, 111734), (322, 97160), (347, 90160), (368, 85015), (392, 79810), (460, 68012), (490, 63848), (560, 55867), (644, 48580), (694, 45080), (784, 39905), (805, 38864), (920, 34006), (980, 31924), (1127, 27760), (1288, 24290), (1388, 22540), (1610, 19432), (1735, 18032), (1840, 17003), (1960, 15962), (2254, 13880), (2429, 12880), (2576, 12145), (2776, 11270), (3220, 9716), (3470, 9016), (3920, 7981), (4508, 6940), (4858, 6440), (5552, 5635)]