263139968

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 719712000

約数和(自身を除く): 456572032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 29, 32, 38, 41, 52, 56, 58, 64, 76, 82, 91, 104, 112, 116, 128, 133, 152, 164, 182, 203, 208, 224, 232, 247, 266, 287, 304, 328, 364, 377, 406, 416, 448, 464, 494, 532, 533, 551, 574, 608, 656, 728, 754, 779, 812, 832, 896, 928, 988, 1064, 1066, 1102, 1148, 1189, 1216, 1312, 1456, 1508, 1558, 1624, 1664, 1729, 1856, 1976, 2128, 2132, 2204, 2296, 2378, 2432, 2624, 2639, 2912, 3016, 3116, 3248, 3458, 3712, 3731, 3857, 3952, 4256, 4264, 4408, 4592, 4756, 5248, 5278, 5453, 5824, 6032, 6232, 6496, 6916, 7163, 7462, 7714, 7904, 8323, 8512, 8528, 8816, 9184, 9512, 10127, 10556, 10906, 11648, 12064, 12464, 12992, 13832, 14326, 14924, 15428, 15457, 15808, 16646, 17024, 17056, 17632, 18368, 19024, 20254, 21112, 21812, 22591, 24128, 24928, 25984, 27664, 28652, 29848, 30856, 30914, 31616, 33292, 34112, 35264, 36736, 38048, 40508, 42224, 43624, 45182, 48256, 49856, 50141, 55328, 57304, 59696, 61712, 61828, 66584, 68224, 70528, 70889, 76096, 81016, 84448, 87248, 90364, 99712, 100282, 108199, 110656, 114608, 119392, 123424, 123656, 133168, 141778, 152192, 158137, 162032, 168896, 174496, 180728, 200564, 216398, 221312, 229216, 238784, 246848, 247312, 266336, 283556, 293683, 316274, 324064, 337792, 348992, 361456, 401128, 432796, 458432, 477568, 493696, 494624, 532672, 567112, 587366, 632548, 648128, 697984, 722912, 802256, 865592, 916864, 989248, 1065344, 1134224, 1174732, 1265096, 1296256, 1445824, 1604512, 1731184, 1978496, 2055781, 2268448, 2349464, 2530192, 2891648, 3209024, 3462368, 4111562, 4536896, 4698928, 5060384, 6418048, 6924736, 8223124, 9073792, 9397856, 10120768, 13849472, 16446248, 18795712, 20241536, 32892496, 37591424, 65784992, 131569984, 263139968]

約数ペア:

[(1, 263139968), (2, 131569984), (4, 65784992), (7, 37591424), (8, 32892496), (13, 20241536), (14, 18795712), (16, 16446248), (19, 13849472), (26, 10120768), (28, 9397856), (29, 9073792), (32, 8223124), (38, 6924736), (41, 6418048), (52, 5060384), (56, 4698928), (58, 4536896), (64, 4111562), (76, 3462368), (82, 3209024), (91, 2891648), (104, 2530192), (112, 2349464), (116, 2268448), (128, 2055781), (133, 1978496), (152, 1731184), (164, 1604512), (182, 1445824), (203, 1296256), (208, 1265096), (224, 1174732), (232, 1134224), (247, 1065344), (266, 989248), (287, 916864), (304, 865592), (328, 802256), (364, 722912), (377, 697984), (406, 648128), (416, 632548), (448, 587366), (464, 567112), (494, 532672), (532, 494624), (533, 493696), (551, 477568), (574, 458432), (608, 432796), (656, 401128), (728, 361456), (754, 348992), (779, 337792), (812, 324064), (832, 316274), (896, 293683), (928, 283556), (988, 266336), (1064, 247312), (1066, 246848), (1102, 238784), (1148, 229216), (1189, 221312), (1216, 216398), (1312, 200564), (1456, 180728), (1508, 174496), (1558, 168896), (1624, 162032), (1664, 158137), (1729, 152192), (1856, 141778), (1976, 133168), (2128, 123656), (2132, 123424), (2204, 119392), (2296, 114608), (2378, 110656), (2432, 108199), (2624, 100282), (2639, 99712), (2912, 90364), (3016, 87248), (3116, 84448), (3248, 81016), (3458, 76096), (3712, 70889), (3731, 70528), (3857, 68224), (3952, 66584), (4256, 61828), (4264, 61712), (4408, 59696), (4592, 57304), (4756, 55328), (5248, 50141), (5278, 49856), (5453, 48256), (5824, 45182), (6032, 43624), (6232, 42224), (6496, 40508), (6916, 38048), (7163, 36736), (7462, 35264), (7714, 34112), (7904, 33292), (8323, 31616), (8512, 30914), (8528, 30856), (8816, 29848), (9184, 28652), (9512, 27664), (10127, 25984), (10556, 24928), (10906, 24128), (11648, 22591), (12064, 21812), (12464, 21112), (12992, 20254), (13832, 19024), (14326, 18368), (14924, 17632), (15428, 17056), (15457, 17024), (15808, 16646)]