87431680

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 240

約数和(自身を含む): 264498696

約数和(自身を除く): 177067016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 41, 49, 56, 64, 68, 70, 80, 82, 85, 98, 112, 119, 128, 136, 140, 160, 164, 170, 196, 205, 224, 238, 245, 256, 272, 280, 287, 320, 328, 340, 392, 410, 448, 476, 490, 512, 544, 560, 574, 595, 640, 656, 680, 697, 784, 820, 833, 896, 952, 980, 1088, 1120, 1148, 1190, 1280, 1312, 1360, 1394, 1435, 1568, 1640, 1666, 1792, 1904, 1960, 2009, 2176, 2240, 2296, 2380, 2560, 2624, 2720, 2788, 2870, 3136, 3280, 3332, 3485, 3584, 3808, 3920, 4018, 4165, 4352, 4480, 4592, 4760, 4879, 5248, 5440, 5576, 5740, 6272, 6560, 6664, 6970, 7616, 7840, 8036, 8330, 8704, 8960, 9184, 9520, 9758, 10045, 10496, 10880, 11152, 11480, 12544, 13120, 13328, 13940, 15232, 15680, 16072, 16660, 17920, 18368, 19040, 19516, 20090, 20992, 21760, 22304, 22960, 24395, 25088, 26240, 26656, 27880, 30464, 31360, 32144, 33320, 34153, 36736, 38080, 39032, 40180, 43520, 44608, 45920, 48790, 52480, 53312, 55760, 60928, 62720, 64288, 66640, 68306, 73472, 76160, 78064, 80360, 89216, 91840, 97580, 104960, 106624, 111520, 125440, 128576, 133280, 136612, 146944, 152320, 156128, 160720, 170765, 178432, 183680, 195160, 213248, 223040, 257152, 266560, 273224, 304640, 312256, 321440, 341530, 356864, 367360, 390320, 426496, 446080, 514304, 533120, 546448, 624512, 642880, 683060, 734720, 780640, 892160, 1028608, 1066240, 1092896, 1249024, 1285760, 1366120, 1561280, 1784320, 2132480, 2185792, 2498048, 2571520, 2732240, 3122560, 4371584, 5143040, 5464480, 6245120, 8743168, 10928960, 12490240, 17486336, 21857920, 43715840, 87431680]

約数ペア:

[(1, 87431680), (2, 43715840), (4, 21857920), (5, 17486336), (7, 12490240), (8, 10928960), (10, 8743168), (14, 6245120), (16, 5464480), (17, 5143040), (20, 4371584), (28, 3122560), (32, 2732240), (34, 2571520), (35, 2498048), (40, 2185792), (41, 2132480), (49, 1784320), (56, 1561280), (64, 1366120), (68, 1285760), (70, 1249024), (80, 1092896), (82, 1066240), (85, 1028608), (98, 892160), (112, 780640), (119, 734720), (128, 683060), (136, 642880), (140, 624512), (160, 546448), (164, 533120), (170, 514304), (196, 446080), (205, 426496), (224, 390320), (238, 367360), (245, 356864), (256, 341530), (272, 321440), (280, 312256), (287, 304640), (320, 273224), (328, 266560), (340, 257152), (392, 223040), (410, 213248), (448, 195160), (476, 183680), (490, 178432), (512, 170765), (544, 160720), (560, 156128), (574, 152320), (595, 146944), (640, 136612), (656, 133280), (680, 128576), (697, 125440), (784, 111520), (820, 106624), (833, 104960), (896, 97580), (952, 91840), (980, 89216), (1088, 80360), (1120, 78064), (1148, 76160), (1190, 73472), (1280, 68306), (1312, 66640), (1360, 64288), (1394, 62720), (1435, 60928), (1568, 55760), (1640, 53312), (1666, 52480), (1792, 48790), (1904, 45920), (1960, 44608), (2009, 43520), (2176, 40180), (2240, 39032), (2296, 38080), (2380, 36736), (2560, 34153), (2624, 33320), (2720, 32144), (2788, 31360), (2870, 30464), (3136, 27880), (3280, 26656), (3332, 26240), (3485, 25088), (3584, 24395), (3808, 22960), (3920, 22304), (4018, 21760), (4165, 20992), (4352, 20090), (4480, 19516), (4592, 19040), (4760, 18368), (4879, 17920), (5248, 16660), (5440, 16072), (5576, 15680), (5740, 15232), (6272, 13940), (6560, 13328), (6664, 13120), (6970, 12544), (7616, 11480), (7840, 11152), (8036, 10880), (8330, 10496), (8704, 10045), (8960, 9758), (9184, 9520)]