261402912

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 288

約数和(自身を含む): 855429120

約数和(自身を除く): 594026208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 31, 32, 36, 38, 46, 48, 57, 62, 67, 69, 72, 76, 92, 93, 96, 114, 124, 134, 138, 144, 152, 171, 184, 186, 201, 207, 228, 248, 268, 276, 279, 288, 304, 342, 368, 372, 402, 414, 437, 456, 496, 536, 552, 558, 589, 603, 608, 684, 713, 736, 744, 804, 828, 874, 912, 992, 1072, 1104, 1116, 1178, 1206, 1273, 1311, 1368, 1426, 1488, 1541, 1608, 1656, 1748, 1767, 1824, 2077, 2139, 2144, 2208, 2232, 2356, 2412, 2546, 2622, 2736, 2852, 2976, 3082, 3216, 3312, 3496, 3534, 3819, 3933, 4154, 4278, 4464, 4623, 4712, 4824, 5092, 5244, 5301, 5472, 5704, 6164, 6231, 6417, 6432, 6624, 6992, 7068, 7638, 7866, 8308, 8556, 8928, 9246, 9424, 9648, 10184, 10488, 10602, 11408, 11457, 12328, 12462, 12834, 13547, 13869, 13984, 14136, 15276, 15732, 16616, 17112, 18492, 18693, 18848, 19296, 20368, 20976, 21204, 22816, 22914, 24656, 24924, 25668, 27094, 27738, 28272, 29279, 30552, 31464, 33232, 34224, 36984, 37386, 39463, 40641, 40736, 41952, 42408, 45828, 47771, 49312, 49848, 51336, 54188, 55476, 56544, 58558, 61104, 62928, 66464, 68448, 73968, 74772, 78926, 81282, 84816, 87837, 91656, 95542, 99696, 102672, 108376, 110952, 117116, 118389, 121923, 122208, 125856, 143313, 147936, 149544, 157852, 162564, 169632, 175674, 183312, 191084, 199392, 205344, 216752, 221904, 234232, 236778, 243846, 263511, 286626, 299088, 315704, 325128, 351348, 355167, 366624, 382168, 429939, 433504, 443808, 468464, 473556, 487692, 527022, 573252, 598176, 631408, 650256, 702696, 710334, 764336, 859878, 907649, 936928, 947112, 975384, 1054044, 1146504, 1262816, 1300512, 1405392, 1420668, 1528672, 1719756, 1815298, 1894224, 1950768, 2108088, 2293008, 2722947, 2810784, 2841336, 3439512, 3630596, 3788448, 3901536, 4216176, 4586016, 5445894, 5682672, 6879024, 7261192, 8168841, 8432352, 10891788, 11365344, 13758048, 14522384, 16337682, 21783576, 29044768, 32675364, 43567152, 65350728, 87134304, 130701456, 261402912]

約数ペア:

[(1, 261402912), (2, 130701456), (3, 87134304), (4, 65350728), (6, 43567152), (8, 32675364), (9, 29044768), (12, 21783576), (16, 16337682), (18, 14522384), (19, 13758048), (23, 11365344), (24, 10891788), (31, 8432352), (32, 8168841), (36, 7261192), (38, 6879024), (46, 5682672), (48, 5445894), (57, 4586016), (62, 4216176), (67, 3901536), (69, 3788448), (72, 3630596), (76, 3439512), (92, 2841336), (93, 2810784), (96, 2722947), (114, 2293008), (124, 2108088), (134, 1950768), (138, 1894224), (144, 1815298), (152, 1719756), (171, 1528672), (184, 1420668), (186, 1405392), (201, 1300512), (207, 1262816), (228, 1146504), (248, 1054044), (268, 975384), (276, 947112), (279, 936928), (288, 907649), (304, 859878), (342, 764336), (368, 710334), (372, 702696), (402, 650256), (414, 631408), (437, 598176), (456, 573252), (496, 527022), (536, 487692), (552, 473556), (558, 468464), (589, 443808), (603, 433504), (608, 429939), (684, 382168), (713, 366624), (736, 355167), (744, 351348), (804, 325128), (828, 315704), (874, 299088), (912, 286626), (992, 263511), (1072, 243846), (1104, 236778), (1116, 234232), (1178, 221904), (1206, 216752), (1273, 205344), (1311, 199392), (1368, 191084), (1426, 183312), (1488, 175674), (1541, 169632), (1608, 162564), (1656, 157852), (1748, 149544), (1767, 147936), (1824, 143313), (2077, 125856), (2139, 122208), (2144, 121923), (2208, 118389), (2232, 117116), (2356, 110952), (2412, 108376), (2546, 102672), (2622, 99696), (2736, 95542), (2852, 91656), (2976, 87837), (3082, 84816), (3216, 81282), (3312, 78926), (3496, 74772), (3534, 73968), (3819, 68448), (3933, 66464), (4154, 62928), (4278, 61104), (4464, 58558), (4623, 56544), (4712, 55476), (4824, 54188), (5092, 51336), (5244, 49848), (5301, 49312), (5472, 47771), (5704, 45828), (6164, 42408), (6231, 41952), (6417, 40736), (6432, 40641), (6624, 39463), (6992, 37386), (7068, 36984), (7638, 34224), (7866, 33232), (8308, 31464), (8556, 30552), (8928, 29279), (9246, 28272), (9424, 27738), (9648, 27094), (10184, 25668), (10488, 24924), (10602, 24656), (11408, 22914), (11457, 22816), (12328, 21204), (12462, 20976), (12834, 20368), (13547, 19296), (13869, 18848), (13984, 18693), (14136, 18492), (15276, 17112), (15732, 16616)]