204721920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1407

約数の個数: 216

約数和(自身を含む): 763360416

約数和(自身を除く): 558638496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1367, 1440, 1560, 1664, 1872, 1920, 2080, 2304, 2340, 2496, 2734, 2880, 3120, 3328, 3744, 3840, 4101, 4160, 4680, 4992, 5468, 5760, 6240, 6835, 7488, 8202, 8320, 9360, 9984, 10936, 11520, 12303, 12480, 13670, 14976, 16404, 16640, 17771, 18720, 20505, 21872, 24606, 24960, 27340, 29952, 32808, 35542, 37440, 41010, 43744, 49212, 49920, 53313, 54680, 61515, 65616, 71084, 74880, 82020, 87488, 88855, 98424, 106626, 109360, 123030, 131232, 142168, 149760, 159939, 164040, 174976, 177710, 196848, 213252, 218720, 246060, 262464, 266565, 284336, 319878, 328080, 349952, 355420, 393696, 426504, 437440, 492120, 524928, 533130, 568672, 639756, 656160, 710840, 787392, 799695, 853008, 874880, 984240, 1049856, 1066260, 1137344, 1279512, 1312320, 1421680, 1574784, 1599390, 1706016, 1749760, 1968480, 2132520, 2274688, 2559024, 2624640, 2843360, 3149568, 3198780, 3412032, 3936960, 4265040, 4549376, 5118048, 5249280, 5686720, 6397560, 6824064, 7873920, 8530080, 10236096, 11373440, 12795120, 13648128, 15747840, 17060160, 20472192, 22746880, 25590240, 34120320, 40944384, 51180480, 68240640, 102360960, 204721920]

約数ペア:

[(1, 204721920), (2, 102360960), (3, 68240640), (4, 51180480), (5, 40944384), (6, 34120320), (8, 25590240), (9, 22746880), (10, 20472192), (12, 17060160), (13, 15747840), (15, 13648128), (16, 12795120), (18, 11373440), (20, 10236096), (24, 8530080), (26, 7873920), (30, 6824064), (32, 6397560), (36, 5686720), (39, 5249280), (40, 5118048), (45, 4549376), (48, 4265040), (52, 3936960), (60, 3412032), (64, 3198780), (65, 3149568), (72, 2843360), (78, 2624640), (80, 2559024), (90, 2274688), (96, 2132520), (104, 1968480), (117, 1749760), (120, 1706016), (128, 1599390), (130, 1574784), (144, 1421680), (156, 1312320), (160, 1279512), (180, 1137344), (192, 1066260), (195, 1049856), (208, 984240), (234, 874880), (240, 853008), (256, 799695), (260, 787392), (288, 710840), (312, 656160), (320, 639756), (360, 568672), (384, 533130), (390, 524928), (416, 492120), (468, 437440), (480, 426504), (520, 393696), (576, 355420), (585, 349952), (624, 328080), (640, 319878), (720, 284336), (768, 266565), (780, 262464), (832, 246060), (936, 218720), (960, 213252), (1040, 196848), (1152, 177710), (1170, 174976), (1248, 164040), (1280, 159939), (1367, 149760), (1440, 142168), (1560, 131232), (1664, 123030), (1872, 109360), (1920, 106626), (2080, 98424), (2304, 88855), (2340, 87488), (2496, 82020), (2734, 74880), (2880, 71084), (3120, 65616), (3328, 61515), (3744, 54680), (3840, 53313), (4101, 49920), (4160, 49212), (4680, 43744), (4992, 41010), (5468, 37440), (5760, 35542), (6240, 32808), (6835, 29952), (7488, 27340), (8202, 24960), (8320, 24606), (9360, 21872), (9984, 20505), (10936, 18720), (11520, 17771), (12303, 16640), (12480, 16404), (13670, 14976)]