263305280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 224

約数和(自身を含む): 761951232

約数和(自身を除く): 498645952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 47, 56, 61, 64, 70, 80, 82, 94, 112, 122, 140, 160, 164, 188, 205, 224, 235, 244, 280, 287, 305, 320, 328, 329, 376, 410, 427, 448, 470, 488, 560, 574, 610, 656, 658, 752, 820, 854, 940, 976, 1120, 1148, 1220, 1312, 1316, 1435, 1504, 1640, 1645, 1708, 1880, 1927, 1952, 2135, 2240, 2296, 2440, 2501, 2624, 2632, 2867, 2870, 3008, 3280, 3290, 3416, 3760, 3854, 3904, 4270, 4592, 4880, 5002, 5264, 5734, 5740, 6560, 6580, 6832, 7520, 7708, 8540, 9184, 9635, 9760, 10004, 10528, 11468, 11480, 12505, 13120, 13160, 13489, 13664, 14335, 15040, 15416, 17080, 17507, 18368, 19270, 19520, 20008, 20069, 21056, 22936, 22960, 25010, 26320, 26978, 27328, 28670, 30832, 34160, 35014, 38540, 40016, 40138, 45872, 45920, 50020, 52640, 53956, 57340, 61664, 67445, 68320, 70028, 77080, 80032, 80276, 87535, 91744, 91840, 100040, 100345, 105280, 107912, 114680, 117547, 123328, 134890, 136640, 140056, 154160, 160064, 160552, 175070, 183488, 200080, 200690, 215824, 229360, 235094, 269780, 280112, 308320, 321104, 350140, 400160, 401380, 431648, 458720, 470188, 539560, 560224, 587735, 616640, 642208, 700280, 800320, 802760, 822829, 863296, 917440, 940376, 1079120, 1120448, 1175470, 1284416, 1400560, 1605520, 1645658, 1880752, 2158240, 2350940, 2801120, 3211040, 3291316, 3761504, 4114145, 4316480, 4701880, 5602240, 6422080, 6582632, 7523008, 8228290, 9403760, 13165264, 16456580, 18807520, 26330528, 32913160, 37615040, 52661056, 65826320, 131652640, 263305280]

約数ペア:

[(1, 263305280), (2, 131652640), (4, 65826320), (5, 52661056), (7, 37615040), (8, 32913160), (10, 26330528), (14, 18807520), (16, 16456580), (20, 13165264), (28, 9403760), (32, 8228290), (35, 7523008), (40, 6582632), (41, 6422080), (47, 5602240), (56, 4701880), (61, 4316480), (64, 4114145), (70, 3761504), (80, 3291316), (82, 3211040), (94, 2801120), (112, 2350940), (122, 2158240), (140, 1880752), (160, 1645658), (164, 1605520), (188, 1400560), (205, 1284416), (224, 1175470), (235, 1120448), (244, 1079120), (280, 940376), (287, 917440), (305, 863296), (320, 822829), (328, 802760), (329, 800320), (376, 700280), (410, 642208), (427, 616640), (448, 587735), (470, 560224), (488, 539560), (560, 470188), (574, 458720), (610, 431648), (656, 401380), (658, 400160), (752, 350140), (820, 321104), (854, 308320), (940, 280112), (976, 269780), (1120, 235094), (1148, 229360), (1220, 215824), (1312, 200690), (1316, 200080), (1435, 183488), (1504, 175070), (1640, 160552), (1645, 160064), (1708, 154160), (1880, 140056), (1927, 136640), (1952, 134890), (2135, 123328), (2240, 117547), (2296, 114680), (2440, 107912), (2501, 105280), (2624, 100345), (2632, 100040), (2867, 91840), (2870, 91744), (3008, 87535), (3280, 80276), (3290, 80032), (3416, 77080), (3760, 70028), (3854, 68320), (3904, 67445), (4270, 61664), (4592, 57340), (4880, 53956), (5002, 52640), (5264, 50020), (5734, 45920), (5740, 45872), (6560, 40138), (6580, 40016), (6832, 38540), (7520, 35014), (7708, 34160), (8540, 30832), (9184, 28670), (9635, 27328), (9760, 26978), (10004, 26320), (10528, 25010), (11468, 22960), (11480, 22936), (12505, 21056), (13120, 20069), (13160, 20008), (13489, 19520), (13664, 19270), (14335, 18368), (15040, 17507), (15416, 17080)]