280879920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1324

約数の個数: 160

約数和(自身を含む): 977169600

約数和(自身を除く): 696289680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 109, 120, 135, 144, 180, 216, 218, 240, 270, 327, 360, 432, 436, 540, 545, 654, 720, 872, 981, 1080, 1090, 1193, 1308, 1635, 1744, 1962, 2160, 2180, 2386, 2616, 2943, 3270, 3579, 3924, 4360, 4772, 4905, 5232, 5886, 5965, 6540, 7158, 7848, 8720, 9544, 9810, 10737, 11772, 11930, 13080, 14316, 14715, 15696, 17895, 19088, 19620, 21474, 23544, 23860, 26160, 28632, 29430, 32211, 35790, 39240, 42948, 47088, 47720, 53685, 57264, 58860, 64422, 71580, 78480, 85896, 95440, 107370, 117720, 128844, 130037, 143160, 161055, 171792, 214740, 235440, 257688, 260074, 286320, 322110, 390111, 429480, 515376, 520148, 644220, 650185, 780222, 858960, 1040296, 1170333, 1288440, 1300370, 1560444, 1950555, 2080592, 2340666, 2576880, 2600740, 3120888, 3510999, 3901110, 4681332, 5201480, 5851665, 6241776, 7021998, 7802220, 9362664, 10402960, 11703330, 14043996, 15604440, 17554995, 18725328, 23406660, 28087992, 31208880, 35109990, 46813320, 56175984, 70219980, 93626640, 140439960, 280879920]

約数ペア:

[(1, 280879920), (2, 140439960), (3, 93626640), (4, 70219980), (5, 56175984), (6, 46813320), (8, 35109990), (9, 31208880), (10, 28087992), (12, 23406660), (15, 18725328), (16, 17554995), (18, 15604440), (20, 14043996), (24, 11703330), (27, 10402960), (30, 9362664), (36, 7802220), (40, 7021998), (45, 6241776), (48, 5851665), (54, 5201480), (60, 4681332), (72, 3901110), (80, 3510999), (90, 3120888), (108, 2600740), (109, 2576880), (120, 2340666), (135, 2080592), (144, 1950555), (180, 1560444), (216, 1300370), (218, 1288440), (240, 1170333), (270, 1040296), (327, 858960), (360, 780222), (432, 650185), (436, 644220), (540, 520148), (545, 515376), (654, 429480), (720, 390111), (872, 322110), (981, 286320), (1080, 260074), (1090, 257688), (1193, 235440), (1308, 214740), (1635, 171792), (1744, 161055), (1962, 143160), (2160, 130037), (2180, 128844), (2386, 117720), (2616, 107370), (2943, 95440), (3270, 85896), (3579, 78480), (3924, 71580), (4360, 64422), (4772, 58860), (4905, 57264), (5232, 53685), (5886, 47720), (5965, 47088), (6540, 42948), (7158, 39240), (7848, 35790), (8720, 32211), (9544, 29430), (9810, 28632), (10737, 26160), (11772, 23860), (11930, 23544), (13080, 21474), (14316, 19620), (14715, 19088), (15696, 17895)]