204890880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 660048480

約数和(自身を除く): 455157600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 229, 233, 240, 256, 320, 384, 458, 466, 480, 640, 687, 699, 768, 916, 932, 960, 1145, 1165, 1280, 1374, 1398, 1832, 1864, 1920, 2290, 2330, 2748, 2796, 3435, 3495, 3664, 3728, 3840, 4580, 4660, 5496, 5592, 6870, 6990, 7328, 7456, 9160, 9320, 10992, 11184, 13740, 13980, 14656, 14912, 18320, 18640, 21984, 22368, 27480, 27960, 29312, 29824, 36640, 37280, 43968, 44736, 53357, 54960, 55920, 58624, 59648, 73280, 74560, 87936, 89472, 106714, 109920, 111840, 146560, 149120, 160071, 175872, 178944, 213428, 219840, 223680, 266785, 293120, 298240, 320142, 426856, 439680, 447360, 533570, 640284, 800355, 853712, 879360, 894720, 1067140, 1280568, 1600710, 1707424, 2134280, 2561136, 3201420, 3414848, 4268560, 5122272, 6402840, 6829696, 8537120, 10244544, 12805680, 13659392, 17074240, 20489088, 25611360, 34148480, 40978176, 51222720, 68296960, 102445440, 204890880]

約数ペア:

[(1, 204890880), (2, 102445440), (3, 68296960), (4, 51222720), (5, 40978176), (6, 34148480), (8, 25611360), (10, 20489088), (12, 17074240), (15, 13659392), (16, 12805680), (20, 10244544), (24, 8537120), (30, 6829696), (32, 6402840), (40, 5122272), (48, 4268560), (60, 3414848), (64, 3201420), (80, 2561136), (96, 2134280), (120, 1707424), (128, 1600710), (160, 1280568), (192, 1067140), (229, 894720), (233, 879360), (240, 853712), (256, 800355), (320, 640284), (384, 533570), (458, 447360), (466, 439680), (480, 426856), (640, 320142), (687, 298240), (699, 293120), (768, 266785), (916, 223680), (932, 219840), (960, 213428), (1145, 178944), (1165, 175872), (1280, 160071), (1374, 149120), (1398, 146560), (1832, 111840), (1864, 109920), (1920, 106714), (2290, 89472), (2330, 87936), (2748, 74560), (2796, 73280), (3435, 59648), (3495, 58624), (3664, 55920), (3728, 54960), (3840, 53357), (4580, 44736), (4660, 43968), (5496, 37280), (5592, 36640), (6870, 29824), (6990, 29312), (7328, 27960), (7456, 27480), (9160, 22368), (9320, 21984), (10992, 18640), (11184, 18320), (13740, 14912), (13980, 14656)]