128875440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 160

約数和(自身を含む): 428829696

約数和(自身を除く): 299954256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 37, 40, 46, 48, 60, 69, 74, 80, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 240, 276, 296, 345, 368, 370, 444, 460, 552, 555, 592, 631, 690, 740, 851, 888, 920, 1104, 1110, 1262, 1380, 1480, 1702, 1776, 1840, 1893, 2220, 2524, 2553, 2760, 2960, 3155, 3404, 3786, 4255, 4440, 5048, 5106, 5520, 6310, 6808, 7572, 8510, 8880, 9465, 10096, 10212, 12620, 12765, 13616, 14513, 15144, 17020, 18930, 20424, 23347, 25240, 25530, 29026, 30288, 34040, 37860, 40848, 43539, 46694, 50480, 51060, 58052, 68080, 70041, 72565, 75720, 87078, 93388, 102120, 116104, 116735, 140082, 145130, 151440, 174156, 186776, 204240, 217695, 232208, 233470, 280164, 290260, 348312, 350205, 373552, 435390, 466940, 536981, 560328, 580520, 696624, 700410, 870780, 933880, 1073962, 1120656, 1161040, 1400820, 1610943, 1741560, 1867760, 2147924, 2684905, 2801640, 3221886, 3483120, 4295848, 5369810, 5603280, 6443772, 8054715, 8591696, 10739620, 12887544, 16109430, 21479240, 25775088, 32218860, 42958480, 64437720, 128875440]

約数ペア:

[(1, 128875440), (2, 64437720), (3, 42958480), (4, 32218860), (5, 25775088), (6, 21479240), (8, 16109430), (10, 12887544), (12, 10739620), (15, 8591696), (16, 8054715), (20, 6443772), (23, 5603280), (24, 5369810), (30, 4295848), (37, 3483120), (40, 3221886), (46, 2801640), (48, 2684905), (60, 2147924), (69, 1867760), (74, 1741560), (80, 1610943), (92, 1400820), (111, 1161040), (115, 1120656), (120, 1073962), (138, 933880), (148, 870780), (184, 700410), (185, 696624), (222, 580520), (230, 560328), (240, 536981), (276, 466940), (296, 435390), (345, 373552), (368, 350205), (370, 348312), (444, 290260), (460, 280164), (552, 233470), (555, 232208), (592, 217695), (631, 204240), (690, 186776), (740, 174156), (851, 151440), (888, 145130), (920, 140082), (1104, 116735), (1110, 116104), (1262, 102120), (1380, 93388), (1480, 87078), (1702, 75720), (1776, 72565), (1840, 70041), (1893, 68080), (2220, 58052), (2524, 51060), (2553, 50480), (2760, 46694), (2960, 43539), (3155, 40848), (3404, 37860), (3786, 34040), (4255, 30288), (4440, 29026), (5048, 25530), (5106, 25240), (5520, 23347), (6310, 20424), (6808, 18930), (7572, 17020), (8510, 15144), (8880, 14513), (9465, 13616), (10096, 12765), (10212, 12620)]