255216240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:784

約数の個数: 240

約数和(自身を含む): 940118400

約数和(自身を除く): 684902160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 80, 85, 87, 90, 102, 116, 120, 136, 144, 145, 153, 170, 174, 180, 204, 232, 240, 255, 261, 272, 290, 306, 340, 348, 360, 408, 435, 464, 493, 510, 522, 580, 612, 680, 696, 719, 720, 765, 816, 870, 986, 1020, 1044, 1160, 1224, 1305, 1360, 1392, 1438, 1479, 1530, 1740, 1972, 2040, 2088, 2157, 2320, 2448, 2465, 2610, 2876, 2958, 3060, 3480, 3595, 3944, 4080, 4176, 4314, 4437, 4930, 5220, 5752, 5916, 6120, 6471, 6960, 7190, 7395, 7888, 8628, 8874, 9860, 10440, 10785, 11504, 11832, 12223, 12240, 12942, 14380, 14790, 17256, 17748, 19720, 20851, 20880, 21570, 22185, 23664, 24446, 25884, 28760, 29580, 32355, 34512, 35496, 36669, 39440, 41702, 43140, 44370, 48892, 51768, 57520, 59160, 61115, 62553, 64710, 70992, 73338, 83404, 86280, 88740, 97784, 103536, 104255, 110007, 118320, 122230, 125106, 129420, 146676, 166808, 172560, 177480, 183345, 187659, 195568, 208510, 220014, 244460, 250212, 258840, 293352, 312765, 333616, 354467, 354960, 366690, 375318, 417020, 440028, 488920, 500424, 517680, 550035, 586704, 625530, 708934, 733380, 750636, 834040, 880056, 938295, 977840, 1000848, 1063401, 1100070, 1251060, 1417868, 1466760, 1501272, 1668080, 1760112, 1772335, 1876590, 2126802, 2200140, 2502120, 2835736, 2933520, 3002544, 3190203, 3544670, 3753180, 4253604, 4400280, 5004240, 5317005, 5671472, 6380406, 7089340, 7506360, 8507208, 8800560, 10634010, 12760812, 14178680, 15012720, 15951015, 17014416, 21268020, 25521624, 28357360, 31902030, 42536040, 51043248, 63804060, 85072080, 127608120, 255216240]

約数ペア:

[(1, 255216240), (2, 127608120), (3, 85072080), (4, 63804060), (5, 51043248), (6, 42536040), (8, 31902030), (9, 28357360), (10, 25521624), (12, 21268020), (15, 17014416), (16, 15951015), (17, 15012720), (18, 14178680), (20, 12760812), (24, 10634010), (29, 8800560), (30, 8507208), (34, 7506360), (36, 7089340), (40, 6380406), (45, 5671472), (48, 5317005), (51, 5004240), (58, 4400280), (60, 4253604), (68, 3753180), (72, 3544670), (80, 3190203), (85, 3002544), (87, 2933520), (90, 2835736), (102, 2502120), (116, 2200140), (120, 2126802), (136, 1876590), (144, 1772335), (145, 1760112), (153, 1668080), (170, 1501272), (174, 1466760), (180, 1417868), (204, 1251060), (232, 1100070), (240, 1063401), (255, 1000848), (261, 977840), (272, 938295), (290, 880056), (306, 834040), (340, 750636), (348, 733380), (360, 708934), (408, 625530), (435, 586704), (464, 550035), (493, 517680), (510, 500424), (522, 488920), (580, 440028), (612, 417020), (680, 375318), (696, 366690), (719, 354960), (720, 354467), (765, 333616), (816, 312765), (870, 293352), (986, 258840), (1020, 250212), (1044, 244460), (1160, 220014), (1224, 208510), (1305, 195568), (1360, 187659), (1392, 183345), (1438, 177480), (1479, 172560), (1530, 166808), (1740, 146676), (1972, 129420), (2040, 125106), (2088, 122230), (2157, 118320), (2320, 110007), (2448, 104255), (2465, 103536), (2610, 97784), (2876, 88740), (2958, 86280), (3060, 83404), (3480, 73338), (3595, 70992), (3944, 64710), (4080, 62553), (4176, 61115), (4314, 59160), (4437, 57520), (4930, 51768), (5220, 48892), (5752, 44370), (5916, 43140), (6120, 41702), (6471, 39440), (6960, 36669), (7190, 35496), (7395, 34512), (7888, 32355), (8628, 29580), (8874, 28760), (9860, 25884), (10440, 24446), (10785, 23664), (11504, 22185), (11832, 21570), (12223, 20880), (12240, 20851), (12942, 19720), (14380, 17748), (14790, 17256)]