491279360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 264

約数和(自身を含む): 1417883208

約数和(自身を除く): 926603848

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 61, 64, 65, 80, 88, 104, 110, 121, 122, 128, 130, 143, 160, 176, 208, 220, 242, 244, 256, 260, 286, 305, 320, 352, 416, 440, 484, 488, 512, 520, 572, 605, 610, 640, 671, 704, 715, 793, 832, 880, 968, 976, 1024, 1040, 1144, 1210, 1220, 1280, 1342, 1408, 1430, 1573, 1586, 1664, 1760, 1936, 1952, 2080, 2288, 2420, 2440, 2560, 2684, 2816, 2860, 3146, 3172, 3328, 3355, 3520, 3872, 3904, 3965, 4160, 4576, 4840, 4880, 5120, 5368, 5632, 5720, 6292, 6344, 6656, 6710, 7040, 7381, 7744, 7808, 7865, 7930, 8320, 8723, 9152, 9680, 9760, 10736, 11264, 11440, 12584, 12688, 13312, 13420, 14080, 14762, 15488, 15616, 15730, 15860, 16640, 17446, 18304, 19360, 19520, 21472, 22880, 25168, 25376, 26840, 28160, 29524, 30976, 31232, 31460, 31720, 33280, 34892, 36608, 36905, 38720, 39040, 42944, 43615, 45760, 50336, 50752, 53680, 56320, 59048, 61952, 62464, 62920, 63440, 66560, 69784, 73216, 73810, 77440, 78080, 85888, 87230, 91520, 95953, 100672, 101504, 107360, 118096, 123904, 125840, 126880, 139568, 146432, 147620, 154880, 156160, 171776, 174460, 183040, 191906, 201344, 203008, 214720, 236192, 251680, 253760, 279136, 295240, 309760, 312320, 343552, 348920, 366080, 383812, 402688, 406016, 429440, 472384, 479765, 503360, 507520, 558272, 590480, 619520, 687104, 697840, 732160, 767624, 805376, 812032, 858880, 944768, 959530, 1006720, 1015040, 1116544, 1180960, 1395680, 1535248, 1610752, 1717760, 1889536, 1919060, 2013440, 2030080, 2233088, 2361920, 2791360, 3070496, 3435520, 3779072, 3838120, 4026880, 4060160, 4466176, 4723840, 5582720, 6140992, 7558144, 7676240, 8053760, 8932352, 9447680, 11165440, 12281984, 15352480, 18895360, 22330880, 24563968, 30704960, 37790720, 44661760, 49127936, 61409920, 98255872, 122819840, 245639680, 491279360]

約数ペア:

[(1, 491279360), (2, 245639680), (4, 122819840), (5, 98255872), (8, 61409920), (10, 49127936), (11, 44661760), (13, 37790720), (16, 30704960), (20, 24563968), (22, 22330880), (26, 18895360), (32, 15352480), (40, 12281984), (44, 11165440), (52, 9447680), (55, 8932352), (61, 8053760), (64, 7676240), (65, 7558144), (80, 6140992), (88, 5582720), (104, 4723840), (110, 4466176), (121, 4060160), (122, 4026880), (128, 3838120), (130, 3779072), (143, 3435520), (160, 3070496), (176, 2791360), (208, 2361920), (220, 2233088), (242, 2030080), (244, 2013440), (256, 1919060), (260, 1889536), (286, 1717760), (305, 1610752), (320, 1535248), (352, 1395680), (416, 1180960), (440, 1116544), (484, 1015040), (488, 1006720), (512, 959530), (520, 944768), (572, 858880), (605, 812032), (610, 805376), (640, 767624), (671, 732160), (704, 697840), (715, 687104), (793, 619520), (832, 590480), (880, 558272), (968, 507520), (976, 503360), (1024, 479765), (1040, 472384), (1144, 429440), (1210, 406016), (1220, 402688), (1280, 383812), (1342, 366080), (1408, 348920), (1430, 343552), (1573, 312320), (1586, 309760), (1664, 295240), (1760, 279136), (1936, 253760), (1952, 251680), (2080, 236192), (2288, 214720), (2420, 203008), (2440, 201344), (2560, 191906), (2684, 183040), (2816, 174460), (2860, 171776), (3146, 156160), (3172, 154880), (3328, 147620), (3355, 146432), (3520, 139568), (3872, 126880), (3904, 125840), (3965, 123904), (4160, 118096), (4576, 107360), (4840, 101504), (4880, 100672), (5120, 95953), (5368, 91520), (5632, 87230), (5720, 85888), (6292, 78080), (6344, 77440), (6656, 73810), (6710, 73216), (7040, 69784), (7381, 66560), (7744, 63440), (7808, 62920), (7865, 62464), (7930, 61952), (8320, 59048), (8723, 56320), (9152, 53680), (9680, 50752), (9760, 50336), (10736, 45760), (11264, 43615), (11440, 42944), (12584, 39040), (12688, 38720), (13312, 36905), (13420, 36608), (14080, 34892), (14762, 33280), (15488, 31720), (15616, 31460), (15730, 31232), (15860, 30976), (16640, 29524), (17446, 28160), (18304, 26840), (19360, 25376), (19520, 25168), (21472, 22880)]