253221120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 288

約数和(自身を含む): 953648640

約数和(自身を除く): 700427520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 256, 270, 272, 288, 306, 320, 340, 360, 384, 408, 431, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 768, 816, 862, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1280, 1293, 1360, 1440, 1530, 1632, 1724, 1728, 1836, 1920, 2040, 2155, 2160, 2176, 2295, 2304, 2448, 2586, 2720, 2880, 3060, 3264, 3448, 3456, 3672, 3840, 3879, 4080, 4310, 4320, 4352, 4590, 4896, 5172, 5440, 5760, 6120, 6465, 6528, 6896, 6912, 7327, 7344, 7758, 8160, 8620, 8640, 9180, 9792, 10344, 10880, 11520, 11637, 12240, 12930, 13056, 13792, 14654, 14688, 15516, 16320, 17240, 17280, 18360, 19395, 19584, 20688, 21760, 21981, 23274, 24480, 25860, 27584, 29308, 29376, 31032, 32640, 34480, 34560, 36635, 36720, 38790, 39168, 41376, 43962, 46548, 48960, 51720, 55168, 58185, 58616, 58752, 62064, 65280, 65943, 68960, 73270, 73440, 77580, 82752, 87924, 93096, 97920, 103440, 109905, 110336, 116370, 117232, 117504, 124128, 131886, 137920, 146540, 146880, 155160, 165504, 175848, 186192, 195840, 197829, 206880, 219810, 232740, 234464, 248256, 263772, 275840, 293080, 293760, 310320, 329715, 331008, 351696, 372384, 395658, 413760, 439620, 465480, 468928, 496512, 527544, 551680, 586160, 587520, 620640, 659430, 703392, 744768, 791316, 827520, 879240, 930960, 937856, 989145, 993024, 1055088, 1172320, 1241280, 1318860, 1406784, 1489536, 1582632, 1655040, 1758480, 1861920, 1875712, 1978290, 2110176, 2344640, 2482560, 2637720, 2813568, 2979072, 3165264, 3516960, 3723840, 3956580, 4220352, 4689280, 4965120, 5275440, 5627136, 6330528, 7033920, 7447680, 7913160, 8440704, 9378560, 10550880, 12661056, 14067840, 14895360, 15826320, 16881408, 21101760, 25322112, 28135680, 31652640, 42203520, 50644224, 63305280, 84407040, 126610560, 253221120]

約数ペア:

[(1, 253221120), (2, 126610560), (3, 84407040), (4, 63305280), (5, 50644224), (6, 42203520), (8, 31652640), (9, 28135680), (10, 25322112), (12, 21101760), (15, 16881408), (16, 15826320), (17, 14895360), (18, 14067840), (20, 12661056), (24, 10550880), (27, 9378560), (30, 8440704), (32, 7913160), (34, 7447680), (36, 7033920), (40, 6330528), (45, 5627136), (48, 5275440), (51, 4965120), (54, 4689280), (60, 4220352), (64, 3956580), (68, 3723840), (72, 3516960), (80, 3165264), (85, 2979072), (90, 2813568), (96, 2637720), (102, 2482560), (108, 2344640), (120, 2110176), (128, 1978290), (135, 1875712), (136, 1861920), (144, 1758480), (153, 1655040), (160, 1582632), (170, 1489536), (180, 1406784), (192, 1318860), (204, 1241280), (216, 1172320), (240, 1055088), (255, 993024), (256, 989145), (270, 937856), (272, 930960), (288, 879240), (306, 827520), (320, 791316), (340, 744768), (360, 703392), (384, 659430), (408, 620640), (431, 587520), (432, 586160), (459, 551680), (480, 527544), (510, 496512), (540, 468928), (544, 465480), (576, 439620), (612, 413760), (640, 395658), (680, 372384), (720, 351696), (765, 331008), (768, 329715), (816, 310320), (862, 293760), (864, 293080), (918, 275840), (960, 263772), (1020, 248256), (1080, 234464), (1088, 232740), (1152, 219810), (1224, 206880), (1280, 197829), (1293, 195840), (1360, 186192), (1440, 175848), (1530, 165504), (1632, 155160), (1724, 146880), (1728, 146540), (1836, 137920), (1920, 131886), (2040, 124128), (2155, 117504), (2160, 117232), (2176, 116370), (2295, 110336), (2304, 109905), (2448, 103440), (2586, 97920), (2720, 93096), (2880, 87924), (3060, 82752), (3264, 77580), (3448, 73440), (3456, 73270), (3672, 68960), (3840, 65943), (3879, 65280), (4080, 62064), (4310, 58752), (4320, 58616), (4352, 58185), (4590, 55168), (4896, 51720), (5172, 48960), (5440, 46548), (5760, 43962), (6120, 41376), (6465, 39168), (6528, 38790), (6896, 36720), (6912, 36635), (7327, 34560), (7344, 34480), (7758, 32640), (8160, 31032), (8620, 29376), (8640, 29308), (9180, 27584), (9792, 25860), (10344, 24480), (10880, 23274), (11520, 21981), (11637, 21760), (12240, 20688), (12930, 19584), (13056, 19395), (13792, 18360), (14654, 17280), (14688, 17240), (15516, 16320)]