8888880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 320

約数和(自身を含む): 37997568

約数和(自身を除く): 29108688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 37, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 74, 77, 78, 80, 84, 88, 91, 104, 105, 110, 111, 112, 120, 130, 132, 140, 143, 148, 154, 156, 165, 168, 176, 182, 185, 195, 208, 210, 220, 222, 231, 240, 259, 260, 264, 273, 280, 286, 296, 308, 312, 330, 336, 364, 370, 385, 390, 407, 420, 429, 440, 444, 455, 462, 481, 518, 520, 528, 546, 555, 560, 572, 592, 616, 624, 660, 715, 728, 740, 770, 777, 780, 814, 840, 858, 880, 888, 910, 924, 962, 1001, 1036, 1040, 1092, 1110, 1144, 1155, 1221, 1232, 1295, 1320, 1365, 1430, 1443, 1456, 1480, 1540, 1554, 1560, 1628, 1680, 1716, 1776, 1820, 1848, 1924, 2002, 2035, 2072, 2145, 2184, 2220, 2288, 2310, 2405, 2442, 2590, 2640, 2730, 2849, 2860, 2886, 2960, 3003, 3080, 3108, 3120, 3256, 3367, 3432, 3640, 3696, 3848, 3885, 4004, 4070, 4144, 4290, 4368, 4440, 4620, 4810, 4884, 5005, 5180, 5291, 5460, 5698, 5720, 5772, 6006, 6105, 6160, 6216, 6512, 6734, 6864, 7215, 7280, 7696, 7770, 8008, 8140, 8547, 8580, 8880, 9240, 9620, 9768, 10010, 10101, 10360, 10582, 10920, 11396, 11440, 11544, 12012, 12210, 12432, 13468, 14245, 14430, 15015, 15540, 15873, 16016, 16280, 16835, 17094, 17160, 18480, 19240, 19536, 20020, 20202, 20720, 21164, 21840, 22792, 23088, 24024, 24420, 26455, 26936, 28490, 28860, 30030, 31080, 31746, 32560, 33670, 34188, 34320, 37037, 38480, 40040, 40404, 42328, 42735, 45584, 48048, 48840, 50505, 52910, 53872, 56980, 57720, 60060, 62160, 63492, 67340, 68376, 74074, 79365, 80080, 80808, 84656, 85470, 97680, 101010, 105820, 111111, 113960, 115440, 120120, 126984, 134680, 136752, 148148, 158730, 161616, 170940, 185185, 202020, 211640, 222222, 227920, 240240, 253968, 269360, 296296, 317460, 341880, 370370, 404040, 423280, 444444, 555555, 592592, 634920, 683760, 740740, 808080, 888888, 1111110, 1269840, 1481480, 1777776, 2222220, 2962960, 4444440, 8888880]

約数ペア:

[(1, 8888880), (2, 4444440), (3, 2962960), (4, 2222220), (5, 1777776), (6, 1481480), (7, 1269840), (8, 1111110), (10, 888888), (11, 808080), (12, 740740), (13, 683760), (14, 634920), (15, 592592), (16, 555555), (20, 444444), (21, 423280), (22, 404040), (24, 370370), (26, 341880), (28, 317460), (30, 296296), (33, 269360), (35, 253968), (37, 240240), (39, 227920), (40, 222222), (42, 211640), (44, 202020), (48, 185185), (52, 170940), (55, 161616), (56, 158730), (60, 148148), (65, 136752), (66, 134680), (70, 126984), (74, 120120), (77, 115440), (78, 113960), (80, 111111), (84, 105820), (88, 101010), (91, 97680), (104, 85470), (105, 84656), (110, 80808), (111, 80080), (112, 79365), (120, 74074), (130, 68376), (132, 67340), (140, 63492), (143, 62160), (148, 60060), (154, 57720), (156, 56980), (165, 53872), (168, 52910), (176, 50505), (182, 48840), (185, 48048), (195, 45584), (208, 42735), (210, 42328), (220, 40404), (222, 40040), (231, 38480), (240, 37037), (259, 34320), (260, 34188), (264, 33670), (273, 32560), (280, 31746), (286, 31080), (296, 30030), (308, 28860), (312, 28490), (330, 26936), (336, 26455), (364, 24420), (370, 24024), (385, 23088), (390, 22792), (407, 21840), (420, 21164), (429, 20720), (440, 20202), (444, 20020), (455, 19536), (462, 19240), (481, 18480), (518, 17160), (520, 17094), (528, 16835), (546, 16280), (555, 16016), (560, 15873), (572, 15540), (592, 15015), (616, 14430), (624, 14245), (660, 13468), (715, 12432), (728, 12210), (740, 12012), (770, 11544), (777, 11440), (780, 11396), (814, 10920), (840, 10582), (858, 10360), (880, 10101), (888, 10010), (910, 9768), (924, 9620), (962, 9240), (1001, 8880), (1036, 8580), (1040, 8547), (1092, 8140), (1110, 8008), (1144, 7770), (1155, 7696), (1221, 7280), (1232, 7215), (1295, 6864), (1320, 6734), (1365, 6512), (1430, 6216), (1443, 6160), (1456, 6105), (1480, 6006), (1540, 5772), (1554, 5720), (1560, 5698), (1628, 5460), (1680, 5291), (1716, 5180), (1776, 5005), (1820, 4884), (1848, 4810), (1924, 4620), (2002, 4440), (2035, 4368), (2072, 4290), (2145, 4144), (2184, 4070), (2220, 4004), (2288, 3885), (2310, 3848), (2405, 3696), (2442, 3640), (2590, 3432), (2640, 3367), (2730, 3256), (2849, 3120), (2860, 3108), (2886, 3080), (2960, 3003)]