6464640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 256

約数和(自身を含む): 26046720

約数和(自身を除く): 19582080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 37, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 74, 78, 80, 84, 91, 96, 104, 105, 111, 112, 120, 128, 130, 140, 148, 156, 160, 168, 182, 185, 192, 195, 208, 210, 222, 224, 240, 259, 260, 273, 280, 296, 312, 320, 336, 364, 370, 384, 390, 416, 420, 444, 448, 455, 480, 481, 518, 520, 546, 555, 560, 592, 624, 640, 672, 728, 740, 777, 780, 832, 840, 888, 896, 910, 960, 962, 1036, 1040, 1092, 1110, 1120, 1184, 1248, 1295, 1344, 1365, 1443, 1456, 1480, 1554, 1560, 1664, 1680, 1776, 1820, 1920, 1924, 2072, 2080, 2184, 2220, 2240, 2368, 2405, 2496, 2590, 2688, 2730, 2886, 2912, 2960, 3108, 3120, 3360, 3367, 3552, 3640, 3848, 3885, 4144, 4160, 4368, 4440, 4480, 4736, 4810, 4992, 5180, 5460, 5772, 5824, 5920, 6216, 6240, 6720, 6734, 7104, 7215, 7280, 7696, 7770, 8288, 8320, 8736, 8880, 9620, 10101, 10360, 10920, 11544, 11648, 11840, 12432, 12480, 13440, 13468, 14208, 14430, 14560, 15392, 15540, 16576, 16835, 17472, 17760, 19240, 20202, 20720, 21840, 23088, 23680, 24864, 24960, 26936, 28860, 29120, 30784, 31080, 33152, 33670, 34944, 35520, 38480, 40404, 41440, 43680, 46176, 49728, 50505, 53872, 57720, 58240, 61568, 62160, 67340, 71040, 76960, 80808, 82880, 87360, 92352, 99456, 101010, 107744, 115440, 124320, 134680, 153920, 161616, 165760, 174720, 184704, 202020, 215488, 230880, 248640, 269360, 307840, 323232, 404040, 430976, 461760, 497280, 538720, 646464, 808080, 923520, 1077440, 1292928, 1616160, 2154880, 3232320, 6464640]

約数ペア:

[(1, 6464640), (2, 3232320), (3, 2154880), (4, 1616160), (5, 1292928), (6, 1077440), (7, 923520), (8, 808080), (10, 646464), (12, 538720), (13, 497280), (14, 461760), (15, 430976), (16, 404040), (20, 323232), (21, 307840), (24, 269360), (26, 248640), (28, 230880), (30, 215488), (32, 202020), (35, 184704), (37, 174720), (39, 165760), (40, 161616), (42, 153920), (48, 134680), (52, 124320), (56, 115440), (60, 107744), (64, 101010), (65, 99456), (70, 92352), (74, 87360), (78, 82880), (80, 80808), (84, 76960), (91, 71040), (96, 67340), (104, 62160), (105, 61568), (111, 58240), (112, 57720), (120, 53872), (128, 50505), (130, 49728), (140, 46176), (148, 43680), (156, 41440), (160, 40404), (168, 38480), (182, 35520), (185, 34944), (192, 33670), (195, 33152), (208, 31080), (210, 30784), (222, 29120), (224, 28860), (240, 26936), (259, 24960), (260, 24864), (273, 23680), (280, 23088), (296, 21840), (312, 20720), (320, 20202), (336, 19240), (364, 17760), (370, 17472), (384, 16835), (390, 16576), (416, 15540), (420, 15392), (444, 14560), (448, 14430), (455, 14208), (480, 13468), (481, 13440), (518, 12480), (520, 12432), (546, 11840), (555, 11648), (560, 11544), (592, 10920), (624, 10360), (640, 10101), (672, 9620), (728, 8880), (740, 8736), (777, 8320), (780, 8288), (832, 7770), (840, 7696), (888, 7280), (896, 7215), (910, 7104), (960, 6734), (962, 6720), (1036, 6240), (1040, 6216), (1092, 5920), (1110, 5824), (1120, 5772), (1184, 5460), (1248, 5180), (1295, 4992), (1344, 4810), (1365, 4736), (1443, 4480), (1456, 4440), (1480, 4368), (1554, 4160), (1560, 4144), (1664, 3885), (1680, 3848), (1776, 3640), (1820, 3552), (1920, 3367), (1924, 3360), (2072, 3120), (2080, 3108), (2184, 2960), (2220, 2912), (2240, 2886), (2368, 2730), (2405, 2688), (2496, 2590)]