661844960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 1954653120

約数和(自身を除く): 1292808160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 41, 49, 56, 58, 70, 71, 80, 82, 98, 112, 116, 140, 142, 145, 160, 164, 196, 203, 205, 224, 232, 245, 280, 284, 287, 290, 328, 355, 392, 406, 410, 464, 490, 497, 560, 568, 574, 580, 656, 710, 784, 812, 820, 928, 980, 994, 1015, 1120, 1136, 1148, 1160, 1189, 1312, 1420, 1421, 1435, 1568, 1624, 1640, 1960, 1988, 2009, 2030, 2059, 2272, 2296, 2320, 2378, 2485, 2840, 2842, 2870, 2911, 3248, 3280, 3479, 3920, 3976, 4018, 4060, 4118, 4592, 4640, 4756, 4970, 5680, 5684, 5740, 5822, 5945, 6496, 6560, 6958, 7105, 7840, 7952, 8036, 8120, 8236, 8323, 9184, 9512, 9940, 10045, 10295, 11360, 11368, 11480, 11644, 11890, 13916, 14210, 14413, 14555, 15904, 16072, 16240, 16472, 16646, 17395, 19024, 19880, 20090, 20377, 20590, 22736, 22960, 23288, 23780, 27832, 28420, 28826, 29110, 32144, 32480, 32944, 33292, 34790, 38048, 39760, 40180, 40754, 41180, 41615, 45472, 45920, 46576, 47560, 55664, 56840, 57652, 58220, 58261, 64288, 65888, 66584, 69580, 72065, 79520, 80360, 81508, 82360, 83230, 84419, 93152, 95120, 100891, 101885, 111328, 113680, 115304, 116440, 116522, 133168, 139160, 142639, 144130, 160720, 163016, 164720, 166460, 168838, 190240, 201782, 203770, 227360, 230608, 232880, 233044, 266336, 278320, 285278, 288260, 291305, 321440, 326032, 329440, 332920, 337676, 403564, 407540, 422095, 461216, 465760, 466088, 504455, 556640, 570556, 576520, 582610, 590933, 652064, 665840, 675352, 713195, 807128, 815080, 844190, 932176, 1008910, 1141112, 1153040, 1165220, 1181866, 1331680, 1350704, 1426390, 1614256, 1630160, 1688380, 1864352, 2017820, 2282224, 2306080, 2330440, 2363732, 2701408, 2852780, 2954665, 3228512, 3260320, 3376760, 4035640, 4136531, 4564448, 4660880, 4727464, 5705560, 5909330, 6753520, 8071280, 8273062, 9321760, 9454928, 11411120, 11818660, 13507040, 16142560, 16546124, 18909856, 20682655, 22822240, 23637320, 33092248, 41365310, 47274640, 66184496, 82730620, 94549280, 132368992, 165461240, 330922480, 661844960]

約数ペア:

[(1, 661844960), (2, 330922480), (4, 165461240), (5, 132368992), (7, 94549280), (8, 82730620), (10, 66184496), (14, 47274640), (16, 41365310), (20, 33092248), (28, 23637320), (29, 22822240), (32, 20682655), (35, 18909856), (40, 16546124), (41, 16142560), (49, 13507040), (56, 11818660), (58, 11411120), (70, 9454928), (71, 9321760), (80, 8273062), (82, 8071280), (98, 6753520), (112, 5909330), (116, 5705560), (140, 4727464), (142, 4660880), (145, 4564448), (160, 4136531), (164, 4035640), (196, 3376760), (203, 3260320), (205, 3228512), (224, 2954665), (232, 2852780), (245, 2701408), (280, 2363732), (284, 2330440), (287, 2306080), (290, 2282224), (328, 2017820), (355, 1864352), (392, 1688380), (406, 1630160), (410, 1614256), (464, 1426390), (490, 1350704), (497, 1331680), (560, 1181866), (568, 1165220), (574, 1153040), (580, 1141112), (656, 1008910), (710, 932176), (784, 844190), (812, 815080), (820, 807128), (928, 713195), (980, 675352), (994, 665840), (1015, 652064), (1120, 590933), (1136, 582610), (1148, 576520), (1160, 570556), (1189, 556640), (1312, 504455), (1420, 466088), (1421, 465760), (1435, 461216), (1568, 422095), (1624, 407540), (1640, 403564), (1960, 337676), (1988, 332920), (2009, 329440), (2030, 326032), (2059, 321440), (2272, 291305), (2296, 288260), (2320, 285278), (2378, 278320), (2485, 266336), (2840, 233044), (2842, 232880), (2870, 230608), (2911, 227360), (3248, 203770), (3280, 201782), (3479, 190240), (3920, 168838), (3976, 166460), (4018, 164720), (4060, 163016), (4118, 160720), (4592, 144130), (4640, 142639), (4756, 139160), (4970, 133168), (5680, 116522), (5684, 116440), (5740, 115304), (5822, 113680), (5945, 111328), (6496, 101885), (6560, 100891), (6958, 95120), (7105, 93152), (7840, 84419), (7952, 83230), (8036, 82360), (8120, 81508), (8236, 80360), (8323, 79520), (9184, 72065), (9512, 69580), (9940, 66584), (10045, 65888), (10295, 64288), (11360, 58261), (11368, 58220), (11480, 57652), (11644, 56840), (11890, 55664), (13916, 47560), (14210, 46576), (14413, 45920), (14555, 45472), (15904, 41615), (16072, 41180), (16240, 40754), (16472, 40180), (16646, 39760), (17395, 38048), (19024, 34790), (19880, 33292), (20090, 32944), (20377, 32480), (20590, 32144), (22736, 29110), (22960, 28826), (23288, 28420), (23780, 27832)]