245281920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 256

約数和(自身を含む): 871879680

約数和(自身を除く): 626597760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 317, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 634, 640, 744, 780, 806, 832, 930, 951, 960, 992, 1040, 1209, 1240, 1248, 1268, 1488, 1560, 1585, 1612, 1664, 1860, 1902, 1920, 1984, 2015, 2080, 2418, 2480, 2496, 2536, 2976, 3120, 3170, 3224, 3720, 3804, 3968, 4030, 4121, 4160, 4755, 4836, 4960, 4992, 5072, 5952, 6045, 6240, 6340, 6448, 7440, 7608, 8060, 8242, 8320, 9510, 9672, 9827, 9920, 10144, 11904, 12090, 12363, 12480, 12680, 12896, 14880, 15216, 16120, 16484, 19020, 19344, 19654, 19840, 20288, 20605, 24180, 24726, 24960, 25360, 25792, 29481, 29760, 30432, 32240, 32968, 38040, 38688, 39308, 40576, 41210, 48360, 49135, 49452, 50720, 51584, 58962, 59520, 60864, 61815, 64480, 65936, 76080, 77376, 78616, 82420, 96720, 98270, 98904, 101440, 117924, 121728, 123630, 127751, 128960, 131872, 147405, 152160, 154752, 157232, 164840, 193440, 196540, 197808, 202880, 235848, 247260, 255502, 257920, 263744, 294810, 304320, 314464, 329680, 383253, 386880, 393080, 395616, 471696, 494520, 511004, 527488, 589620, 608640, 628928, 638755, 659360, 766506, 773760, 786160, 791232, 943392, 989040, 1022008, 1179240, 1257856, 1277510, 1318720, 1533012, 1572320, 1582464, 1886784, 1916265, 1978080, 2044016, 2358480, 2555020, 2637440, 3066024, 3144640, 3773568, 3832530, 3956160, 4088032, 4716960, 5110040, 6132048, 6289280, 7665060, 7912320, 8176064, 9433920, 10220080, 12264096, 15330120, 16352128, 18867840, 20440160, 24528192, 30660240, 40880320, 49056384, 61320480, 81760640, 122640960, 245281920]

約数ペア:

[(1, 245281920), (2, 122640960), (3, 81760640), (4, 61320480), (5, 49056384), (6, 40880320), (8, 30660240), (10, 24528192), (12, 20440160), (13, 18867840), (15, 16352128), (16, 15330120), (20, 12264096), (24, 10220080), (26, 9433920), (30, 8176064), (31, 7912320), (32, 7665060), (39, 6289280), (40, 6132048), (48, 5110040), (52, 4716960), (60, 4088032), (62, 3956160), (64, 3832530), (65, 3773568), (78, 3144640), (80, 3066024), (93, 2637440), (96, 2555020), (104, 2358480), (120, 2044016), (124, 1978080), (128, 1916265), (130, 1886784), (155, 1582464), (156, 1572320), (160, 1533012), (186, 1318720), (192, 1277510), (195, 1257856), (208, 1179240), (240, 1022008), (248, 989040), (260, 943392), (310, 791232), (312, 786160), (317, 773760), (320, 766506), (372, 659360), (384, 638755), (390, 628928), (403, 608640), (416, 589620), (465, 527488), (480, 511004), (496, 494520), (520, 471696), (620, 395616), (624, 393080), (634, 386880), (640, 383253), (744, 329680), (780, 314464), (806, 304320), (832, 294810), (930, 263744), (951, 257920), (960, 255502), (992, 247260), (1040, 235848), (1209, 202880), (1240, 197808), (1248, 196540), (1268, 193440), (1488, 164840), (1560, 157232), (1585, 154752), (1612, 152160), (1664, 147405), (1860, 131872), (1902, 128960), (1920, 127751), (1984, 123630), (2015, 121728), (2080, 117924), (2418, 101440), (2480, 98904), (2496, 98270), (2536, 96720), (2976, 82420), (3120, 78616), (3170, 77376), (3224, 76080), (3720, 65936), (3804, 64480), (3968, 61815), (4030, 60864), (4121, 59520), (4160, 58962), (4755, 51584), (4836, 50720), (4960, 49452), (4992, 49135), (5072, 48360), (5952, 41210), (6045, 40576), (6240, 39308), (6340, 38688), (6448, 38040), (7440, 32968), (7608, 32240), (8060, 30432), (8242, 29760), (8320, 29481), (9510, 25792), (9672, 25360), (9827, 24960), (9920, 24726), (10144, 24180), (11904, 20605), (12090, 20288), (12363, 19840), (12480, 19654), (12680, 19344), (12896, 19020), (14880, 16484), (15216, 16120)]