28911840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 98703360

約数和(自身を除く): 69791520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 31, 32, 40, 48, 58, 60, 62, 67, 80, 87, 93, 96, 116, 120, 124, 134, 145, 155, 160, 174, 186, 201, 232, 240, 248, 268, 290, 310, 335, 348, 372, 402, 435, 464, 465, 480, 496, 536, 580, 620, 670, 696, 744, 804, 870, 899, 928, 930, 992, 1005, 1072, 1160, 1240, 1340, 1392, 1488, 1608, 1740, 1798, 1860, 1943, 2010, 2077, 2144, 2320, 2480, 2680, 2697, 2784, 2976, 3216, 3480, 3596, 3720, 3886, 4020, 4154, 4495, 4640, 4960, 5360, 5394, 5829, 6231, 6432, 6960, 7192, 7440, 7772, 8040, 8308, 8990, 9715, 10385, 10720, 10788, 11658, 12462, 13485, 13920, 14384, 14880, 15544, 16080, 16616, 17980, 19430, 20770, 21576, 23316, 24924, 26970, 28768, 29145, 31088, 31155, 32160, 33232, 35960, 38860, 41540, 43152, 46632, 49848, 53940, 58290, 60233, 62176, 62310, 66464, 71920, 77720, 83080, 86304, 93264, 99696, 107880, 116580, 120466, 124620, 143840, 155440, 166160, 180699, 186528, 199392, 215760, 233160, 240932, 249240, 301165, 310880, 332320, 361398, 431520, 466320, 481864, 498480, 602330, 722796, 903495, 932640, 963728, 996960, 1204660, 1445592, 1806990, 1927456, 2409320, 2891184, 3613980, 4818640, 5782368, 7227960, 9637280, 14455920, 28911840]

約数ペア:

[(1, 28911840), (2, 14455920), (3, 9637280), (4, 7227960), (5, 5782368), (6, 4818640), (8, 3613980), (10, 2891184), (12, 2409320), (15, 1927456), (16, 1806990), (20, 1445592), (24, 1204660), (29, 996960), (30, 963728), (31, 932640), (32, 903495), (40, 722796), (48, 602330), (58, 498480), (60, 481864), (62, 466320), (67, 431520), (80, 361398), (87, 332320), (93, 310880), (96, 301165), (116, 249240), (120, 240932), (124, 233160), (134, 215760), (145, 199392), (155, 186528), (160, 180699), (174, 166160), (186, 155440), (201, 143840), (232, 124620), (240, 120466), (248, 116580), (268, 107880), (290, 99696), (310, 93264), (335, 86304), (348, 83080), (372, 77720), (402, 71920), (435, 66464), (464, 62310), (465, 62176), (480, 60233), (496, 58290), (536, 53940), (580, 49848), (620, 46632), (670, 43152), (696, 41540), (744, 38860), (804, 35960), (870, 33232), (899, 32160), (928, 31155), (930, 31088), (992, 29145), (1005, 28768), (1072, 26970), (1160, 24924), (1240, 23316), (1340, 21576), (1392, 20770), (1488, 19430), (1608, 17980), (1740, 16616), (1798, 16080), (1860, 15544), (1943, 14880), (2010, 14384), (2077, 13920), (2144, 13485), (2320, 12462), (2480, 11658), (2680, 10788), (2697, 10720), (2784, 10385), (2976, 9715), (3216, 8990), (3480, 8308), (3596, 8040), (3720, 7772), (3886, 7440), (4020, 7192), (4154, 6960), (4495, 6432), (4640, 6231), (4960, 5829), (5360, 5394)]