256992960

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:423

約数の個数: 224

約数和(自身を含む): 942197760

約数和(自身を除く): 685204800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 167, 168, 192, 210, 224, 229, 240, 280, 320, 334, 336, 420, 448, 458, 480, 501, 560, 668, 672, 687, 835, 840, 916, 960, 1002, 1120, 1145, 1169, 1336, 1344, 1374, 1603, 1670, 1680, 1832, 2004, 2240, 2290, 2338, 2505, 2672, 2748, 3206, 3340, 3360, 3435, 3507, 3664, 4008, 4580, 4676, 4809, 5010, 5344, 5496, 5845, 6412, 6680, 6720, 6870, 7014, 7328, 8015, 8016, 9160, 9352, 9618, 10020, 10688, 10992, 11690, 12824, 13360, 13740, 14028, 14656, 16030, 16032, 17535, 18320, 18704, 19236, 20040, 21984, 23380, 24045, 25648, 26720, 27480, 28056, 32060, 32064, 35070, 36640, 37408, 38243, 38472, 40080, 43968, 46760, 48090, 51296, 53440, 54960, 56112, 64120, 70140, 73280, 74816, 76486, 76944, 80160, 93520, 96180, 102592, 109920, 112224, 114729, 128240, 140280, 152972, 153888, 160320, 187040, 191215, 192360, 219840, 224448, 229458, 256480, 267701, 280560, 305944, 307776, 374080, 382430, 384720, 458916, 512960, 535402, 561120, 573645, 611888, 764860, 769440, 803103, 917832, 1070804, 1122240, 1147290, 1223776, 1338505, 1529720, 1538880, 1606206, 1835664, 2141608, 2294580, 2447552, 2677010, 3059440, 3212412, 3671328, 4015515, 4283216, 4589160, 5354020, 6118880, 6424824, 7342656, 8031030, 8566432, 9178320, 10708040, 12237760, 12849648, 16062060, 17132864, 18356640, 21416080, 25699296, 32124120, 36713280, 42832160, 51398592, 64248240, 85664320, 128496480, 256992960]

約数ペア:

[(1, 256992960), (2, 128496480), (3, 85664320), (4, 64248240), (5, 51398592), (6, 42832160), (7, 36713280), (8, 32124120), (10, 25699296), (12, 21416080), (14, 18356640), (15, 17132864), (16, 16062060), (20, 12849648), (21, 12237760), (24, 10708040), (28, 9178320), (30, 8566432), (32, 8031030), (35, 7342656), (40, 6424824), (42, 6118880), (48, 5354020), (56, 4589160), (60, 4283216), (64, 4015515), (70, 3671328), (80, 3212412), (84, 3059440), (96, 2677010), (105, 2447552), (112, 2294580), (120, 2141608), (140, 1835664), (160, 1606206), (167, 1538880), (168, 1529720), (192, 1338505), (210, 1223776), (224, 1147290), (229, 1122240), (240, 1070804), (280, 917832), (320, 803103), (334, 769440), (336, 764860), (420, 611888), (448, 573645), (458, 561120), (480, 535402), (501, 512960), (560, 458916), (668, 384720), (672, 382430), (687, 374080), (835, 307776), (840, 305944), (916, 280560), (960, 267701), (1002, 256480), (1120, 229458), (1145, 224448), (1169, 219840), (1336, 192360), (1344, 191215), (1374, 187040), (1603, 160320), (1670, 153888), (1680, 152972), (1832, 140280), (2004, 128240), (2240, 114729), (2290, 112224), (2338, 109920), (2505, 102592), (2672, 96180), (2748, 93520), (3206, 80160), (3340, 76944), (3360, 76486), (3435, 74816), (3507, 73280), (3664, 70140), (4008, 64120), (4580, 56112), (4676, 54960), (4809, 53440), (5010, 51296), (5344, 48090), (5496, 46760), (5845, 43968), (6412, 40080), (6680, 38472), (6720, 38243), (6870, 37408), (7014, 36640), (7328, 35070), (8015, 32064), (8016, 32060), (9160, 28056), (9352, 27480), (9618, 26720), (10020, 25648), (10688, 24045), (10992, 23380), (11690, 21984), (12824, 20040), (13360, 19236), (13740, 18704), (14028, 18320), (14656, 17535), (16030, 16032)]