72065280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 268434432

約数和(自身を除く): 196369152

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 383, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 766, 768, 784, 840, 896, 960, 980, 1120, 1149, 1176, 1280, 1344, 1470, 1532, 1568, 1680, 1792, 1915, 1920, 1960, 2240, 2298, 2352, 2681, 2688, 2940, 3064, 3136, 3360, 3830, 3840, 3920, 4480, 4596, 4704, 5362, 5376, 5745, 5880, 6128, 6272, 6720, 7660, 7840, 8043, 8960, 9192, 9408, 10724, 11490, 11760, 12256, 12544, 13405, 13440, 15320, 15680, 16086, 18384, 18767, 18816, 21448, 22980, 23520, 24512, 26810, 26880, 30640, 31360, 32172, 36768, 37534, 37632, 40215, 42896, 45960, 47040, 49024, 53620, 56301, 61280, 62720, 64344, 73536, 75068, 80430, 85792, 91920, 93835, 94080, 98048, 107240, 112602, 122560, 128688, 147072, 150136, 160860, 171584, 183840, 187670, 188160, 214480, 225204, 245120, 257376, 281505, 294144, 300272, 321720, 343168, 367680, 375340, 428960, 450408, 490240, 514752, 563010, 600544, 643440, 686336, 735360, 750680, 857920, 900816, 1029504, 1126020, 1201088, 1286880, 1470720, 1501360, 1715840, 1801632, 2059008, 2252040, 2402176, 2573760, 3002720, 3431680, 3603264, 4504080, 4804352, 5147520, 6005440, 7206528, 9008160, 10295040, 12010880, 14413056, 18016320, 24021760, 36032640, 72065280]

約数ペア:

[(1, 72065280), (2, 36032640), (3, 24021760), (4, 18016320), (5, 14413056), (6, 12010880), (7, 10295040), (8, 9008160), (10, 7206528), (12, 6005440), (14, 5147520), (15, 4804352), (16, 4504080), (20, 3603264), (21, 3431680), (24, 3002720), (28, 2573760), (30, 2402176), (32, 2252040), (35, 2059008), (40, 1801632), (42, 1715840), (48, 1501360), (49, 1470720), (56, 1286880), (60, 1201088), (64, 1126020), (70, 1029504), (80, 900816), (84, 857920), (96, 750680), (98, 735360), (105, 686336), (112, 643440), (120, 600544), (128, 563010), (140, 514752), (147, 490240), (160, 450408), (168, 428960), (192, 375340), (196, 367680), (210, 343168), (224, 321720), (240, 300272), (245, 294144), (256, 281505), (280, 257376), (294, 245120), (320, 225204), (336, 214480), (383, 188160), (384, 187670), (392, 183840), (420, 171584), (448, 160860), (480, 150136), (490, 147072), (560, 128688), (588, 122560), (640, 112602), (672, 107240), (735, 98048), (766, 94080), (768, 93835), (784, 91920), (840, 85792), (896, 80430), (960, 75068), (980, 73536), (1120, 64344), (1149, 62720), (1176, 61280), (1280, 56301), (1344, 53620), (1470, 49024), (1532, 47040), (1568, 45960), (1680, 42896), (1792, 40215), (1915, 37632), (1920, 37534), (1960, 36768), (2240, 32172), (2298, 31360), (2352, 30640), (2681, 26880), (2688, 26810), (2940, 24512), (3064, 23520), (3136, 22980), (3360, 21448), (3830, 18816), (3840, 18767), (3920, 18384), (4480, 16086), (4596, 15680), (4704, 15320), (5362, 13440), (5376, 13405), (5745, 12544), (5880, 12256), (6128, 11760), (6272, 11490), (6720, 10724), (7660, 9408), (7840, 9192), (8043, 8960)]