221701760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 666247680

約数和(自身を除く): 444545920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 41, 56, 64, 68, 70, 71, 80, 82, 85, 112, 119, 128, 136, 140, 142, 160, 164, 170, 205, 224, 238, 272, 280, 284, 287, 320, 328, 340, 355, 410, 448, 476, 497, 544, 560, 568, 574, 595, 640, 656, 680, 697, 710, 820, 896, 952, 994, 1088, 1120, 1136, 1148, 1190, 1207, 1312, 1360, 1394, 1420, 1435, 1640, 1904, 1988, 2176, 2240, 2272, 2296, 2380, 2414, 2485, 2624, 2720, 2788, 2840, 2870, 2911, 3280, 3485, 3808, 3976, 4480, 4544, 4592, 4760, 4828, 4879, 4970, 5248, 5440, 5576, 5680, 5740, 5822, 6035, 6560, 6970, 7616, 7952, 8449, 9088, 9184, 9520, 9656, 9758, 9940, 10880, 11152, 11360, 11480, 11644, 12070, 13120, 13940, 14555, 15232, 15904, 16898, 18368, 19040, 19312, 19516, 19880, 20377, 22304, 22720, 22960, 23288, 24140, 24395, 26240, 27880, 29110, 31808, 33796, 36736, 38080, 38624, 39032, 39760, 40754, 42245, 44608, 45440, 45920, 46576, 48280, 48790, 49487, 55760, 58220, 63616, 67592, 76160, 77248, 78064, 79520, 81508, 84490, 89216, 91840, 93152, 96560, 97580, 98974, 101885, 111520, 116440, 135184, 154496, 156128, 159040, 163016, 168980, 183680, 186304, 193120, 195160, 197948, 203770, 223040, 232880, 247435, 270368, 312256, 318080, 326032, 337960, 346409, 372608, 386240, 390320, 395896, 407540, 446080, 465760, 494870, 540736, 624512, 652064, 675920, 692818, 772480, 780640, 791792, 815080, 931520, 989740, 1081472, 1304128, 1351840, 1385636, 1561280, 1583584, 1630160, 1732045, 1863040, 1979480, 2608256, 2703680, 2771272, 3122560, 3167168, 3260320, 3464090, 3958960, 5407360, 5542544, 6334336, 6520640, 6928180, 7917920, 11085088, 13041280, 13856360, 15835840, 22170176, 27712720, 31671680, 44340352, 55425440, 110850880, 221701760]

約数ペア:

[(1, 221701760), (2, 110850880), (4, 55425440), (5, 44340352), (7, 31671680), (8, 27712720), (10, 22170176), (14, 15835840), (16, 13856360), (17, 13041280), (20, 11085088), (28, 7917920), (32, 6928180), (34, 6520640), (35, 6334336), (40, 5542544), (41, 5407360), (56, 3958960), (64, 3464090), (68, 3260320), (70, 3167168), (71, 3122560), (80, 2771272), (82, 2703680), (85, 2608256), (112, 1979480), (119, 1863040), (128, 1732045), (136, 1630160), (140, 1583584), (142, 1561280), (160, 1385636), (164, 1351840), (170, 1304128), (205, 1081472), (224, 989740), (238, 931520), (272, 815080), (280, 791792), (284, 780640), (287, 772480), (320, 692818), (328, 675920), (340, 652064), (355, 624512), (410, 540736), (448, 494870), (476, 465760), (497, 446080), (544, 407540), (560, 395896), (568, 390320), (574, 386240), (595, 372608), (640, 346409), (656, 337960), (680, 326032), (697, 318080), (710, 312256), (820, 270368), (896, 247435), (952, 232880), (994, 223040), (1088, 203770), (1120, 197948), (1136, 195160), (1148, 193120), (1190, 186304), (1207, 183680), (1312, 168980), (1360, 163016), (1394, 159040), (1420, 156128), (1435, 154496), (1640, 135184), (1904, 116440), (1988, 111520), (2176, 101885), (2240, 98974), (2272, 97580), (2296, 96560), (2380, 93152), (2414, 91840), (2485, 89216), (2624, 84490), (2720, 81508), (2788, 79520), (2840, 78064), (2870, 77248), (2911, 76160), (3280, 67592), (3485, 63616), (3808, 58220), (3976, 55760), (4480, 49487), (4544, 48790), (4592, 48280), (4760, 46576), (4828, 45920), (4879, 45440), (4970, 44608), (5248, 42245), (5440, 40754), (5576, 39760), (5680, 39032), (5740, 38624), (5822, 38080), (6035, 36736), (6560, 33796), (6970, 31808), (7616, 29110), (7952, 27880), (8449, 26240), (9088, 24395), (9184, 24140), (9520, 23288), (9656, 22960), (9758, 22720), (9940, 22304), (10880, 20377), (11152, 19880), (11360, 19516), (11480, 19312), (11644, 19040), (12070, 18368), (13120, 16898), (13940, 15904), (14555, 15232)]