254309120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 741726720

約数和(自身を除く): 487417600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 31, 32, 34, 40, 52, 58, 62, 64, 65, 68, 80, 85, 104, 116, 124, 128, 130, 136, 145, 155, 160, 170, 208, 221, 232, 248, 256, 260, 272, 290, 310, 320, 340, 377, 403, 416, 442, 464, 493, 496, 520, 527, 544, 580, 620, 640, 680, 754, 806, 832, 884, 899, 928, 986, 992, 1040, 1054, 1088, 1105, 1160, 1240, 1280, 1360, 1508, 1612, 1664, 1768, 1798, 1856, 1885, 1972, 1984, 2015, 2080, 2108, 2176, 2210, 2320, 2465, 2480, 2635, 2720, 3016, 3224, 3328, 3536, 3596, 3712, 3770, 3944, 3968, 4030, 4160, 4216, 4352, 4420, 4495, 4640, 4930, 4960, 5270, 5440, 6032, 6409, 6448, 6851, 7072, 7192, 7424, 7540, 7888, 7936, 8060, 8320, 8432, 8840, 8990, 9280, 9860, 9920, 10540, 10880, 11687, 12064, 12818, 12896, 13702, 14144, 14384, 15080, 15283, 15776, 16120, 16640, 16864, 17680, 17980, 18560, 19720, 19840, 21080, 21760, 23374, 24128, 25636, 25792, 27404, 28288, 28768, 30160, 30566, 31552, 32045, 32240, 33728, 34255, 35360, 35960, 37120, 39440, 39680, 42160, 46748, 48256, 51272, 51584, 54808, 56576, 57536, 58435, 60320, 61132, 63104, 64090, 64480, 67456, 68510, 70720, 71920, 76415, 78880, 84320, 93496, 96512, 102544, 103168, 109616, 115072, 116870, 120640, 122264, 126208, 128180, 128960, 134912, 137020, 141440, 143840, 152830, 157760, 168640, 186992, 198679, 205088, 219232, 230144, 233740, 241280, 244528, 256360, 257920, 274040, 282880, 287680, 305660, 315520, 337280, 373984, 397358, 410176, 438464, 467480, 482560, 489056, 512720, 515840, 548080, 575360, 611320, 631040, 674560, 747968, 794716, 820352, 876928, 934960, 978112, 993395, 1025440, 1096160, 1150720, 1222640, 1495936, 1589432, 1640704, 1753856, 1869920, 1956224, 1986790, 2050880, 2192320, 2445280, 2991872, 3178864, 3739840, 3912448, 3973580, 4101760, 4384640, 4890560, 6357728, 7479680, 7947160, 8203520, 8769280, 9781120, 12715456, 14959360, 15894320, 19562240, 25430912, 31788640, 50861824, 63577280, 127154560, 254309120]

約数ペア:

[(1, 254309120), (2, 127154560), (4, 63577280), (5, 50861824), (8, 31788640), (10, 25430912), (13, 19562240), (16, 15894320), (17, 14959360), (20, 12715456), (26, 9781120), (29, 8769280), (31, 8203520), (32, 7947160), (34, 7479680), (40, 6357728), (52, 4890560), (58, 4384640), (62, 4101760), (64, 3973580), (65, 3912448), (68, 3739840), (80, 3178864), (85, 2991872), (104, 2445280), (116, 2192320), (124, 2050880), (128, 1986790), (130, 1956224), (136, 1869920), (145, 1753856), (155, 1640704), (160, 1589432), (170, 1495936), (208, 1222640), (221, 1150720), (232, 1096160), (248, 1025440), (256, 993395), (260, 978112), (272, 934960), (290, 876928), (310, 820352), (320, 794716), (340, 747968), (377, 674560), (403, 631040), (416, 611320), (442, 575360), (464, 548080), (493, 515840), (496, 512720), (520, 489056), (527, 482560), (544, 467480), (580, 438464), (620, 410176), (640, 397358), (680, 373984), (754, 337280), (806, 315520), (832, 305660), (884, 287680), (899, 282880), (928, 274040), (986, 257920), (992, 256360), (1040, 244528), (1054, 241280), (1088, 233740), (1105, 230144), (1160, 219232), (1240, 205088), (1280, 198679), (1360, 186992), (1508, 168640), (1612, 157760), (1664, 152830), (1768, 143840), (1798, 141440), (1856, 137020), (1885, 134912), (1972, 128960), (1984, 128180), (2015, 126208), (2080, 122264), (2108, 120640), (2176, 116870), (2210, 115072), (2320, 109616), (2465, 103168), (2480, 102544), (2635, 96512), (2720, 93496), (3016, 84320), (3224, 78880), (3328, 76415), (3536, 71920), (3596, 70720), (3712, 68510), (3770, 67456), (3944, 64480), (3968, 64090), (4030, 63104), (4160, 61132), (4216, 60320), (4352, 58435), (4420, 57536), (4495, 56576), (4640, 54808), (4930, 51584), (4960, 51272), (5270, 48256), (5440, 46748), (6032, 42160), (6409, 39680), (6448, 39440), (6851, 37120), (7072, 35960), (7192, 35360), (7424, 34255), (7540, 33728), (7888, 32240), (7936, 32045), (8060, 31552), (8320, 30566), (8432, 30160), (8840, 28768), (8990, 28288), (9280, 27404), (9860, 25792), (9920, 25636), (10540, 24128), (10880, 23374), (11687, 21760), (12064, 21080), (12818, 19840), (12896, 19720), (13702, 18560), (14144, 17980), (14384, 17680), (15080, 16864), (15283, 16640), (15776, 16120)]