638699256

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 192

約数和(自身を含む): 1956864000

約数和(自身を除く): 1318164744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 127, 156, 162, 199, 216, 234, 243, 254, 312, 324, 351, 381, 398, 468, 486, 508, 597, 648, 702, 762, 796, 936, 972, 1016, 1053, 1143, 1194, 1404, 1524, 1592, 1651, 1791, 1944, 2106, 2286, 2388, 2587, 2808, 3048, 3159, 3302, 3429, 3582, 4212, 4572, 4776, 4953, 5174, 5373, 6318, 6604, 6858, 7164, 7761, 8424, 9144, 9906, 10287, 10348, 10746, 12636, 13208, 13716, 14328, 14859, 15522, 16119, 19812, 20574, 20696, 21492, 23283, 25272, 25273, 27432, 29718, 30861, 31044, 32238, 39624, 41148, 42984, 44577, 46566, 48357, 50546, 59436, 61722, 62088, 64476, 69849, 75819, 82296, 89154, 93132, 96714, 101092, 118872, 123444, 128952, 133731, 139698, 151638, 178308, 186264, 193428, 202184, 209547, 227457, 246888, 267462, 279396, 303276, 328549, 356616, 386856, 401193, 419094, 454914, 534924, 558792, 606552, 628641, 657098, 682371, 802386, 838188, 909828, 985647, 1069848, 1257282, 1314196, 1364742, 1604772, 1676376, 1819656, 1971294, 2047113, 2514564, 2628392, 2729484, 2956941, 3209544, 3942588, 4094226, 5029128, 5458968, 5913882, 6141339, 7885176, 8188452, 8870823, 11827764, 12282678, 16376904, 17741646, 23655528, 24565356, 26612469, 35483292, 49130712, 53224938, 70966584, 79837407, 106449876, 159674814, 212899752, 319349628, 638699256]

約数ペア:

[(1, 638699256), (2, 319349628), (3, 212899752), (4, 159674814), (6, 106449876), (8, 79837407), (9, 70966584), (12, 53224938), (13, 49130712), (18, 35483292), (24, 26612469), (26, 24565356), (27, 23655528), (36, 17741646), (39, 16376904), (52, 12282678), (54, 11827764), (72, 8870823), (78, 8188452), (81, 7885176), (104, 6141339), (108, 5913882), (117, 5458968), (127, 5029128), (156, 4094226), (162, 3942588), (199, 3209544), (216, 2956941), (234, 2729484), (243, 2628392), (254, 2514564), (312, 2047113), (324, 1971294), (351, 1819656), (381, 1676376), (398, 1604772), (468, 1364742), (486, 1314196), (508, 1257282), (597, 1069848), (648, 985647), (702, 909828), (762, 838188), (796, 802386), (936, 682371), (972, 657098), (1016, 628641), (1053, 606552), (1143, 558792), (1194, 534924), (1404, 454914), (1524, 419094), (1592, 401193), (1651, 386856), (1791, 356616), (1944, 328549), (2106, 303276), (2286, 279396), (2388, 267462), (2587, 246888), (2808, 227457), (3048, 209547), (3159, 202184), (3302, 193428), (3429, 186264), (3582, 178308), (4212, 151638), (4572, 139698), (4776, 133731), (4953, 128952), (5174, 123444), (5373, 118872), (6318, 101092), (6604, 96714), (6858, 93132), (7164, 89154), (7761, 82296), (8424, 75819), (9144, 69849), (9906, 64476), (10287, 62088), (10348, 61722), (10746, 59436), (12636, 50546), (13208, 48357), (13716, 46566), (14328, 44577), (14859, 42984), (15522, 41148), (16119, 39624), (19812, 32238), (20574, 31044), (20696, 30861), (21492, 29718), (23283, 27432), (25272, 25273)]