257029680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 831375360

約数和(自身を除く): 574345680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 179, 186, 193, 240, 248, 310, 358, 372, 386, 465, 496, 537, 579, 620, 716, 744, 772, 895, 930, 965, 1074, 1158, 1240, 1432, 1488, 1544, 1790, 1860, 1930, 2148, 2316, 2480, 2685, 2864, 2895, 3088, 3580, 3720, 3860, 4296, 4632, 5370, 5549, 5790, 5983, 7160, 7440, 7720, 8592, 9264, 10740, 11098, 11580, 11966, 14320, 15440, 16647, 17949, 21480, 22196, 23160, 23932, 27745, 29915, 33294, 34547, 35898, 42960, 44392, 46320, 47864, 55490, 59830, 66588, 69094, 71796, 83235, 88784, 89745, 95728, 103641, 110980, 119660, 133176, 138188, 143592, 166470, 172735, 179490, 207282, 221960, 239320, 266352, 276376, 287184, 332940, 345470, 358980, 414564, 443920, 478640, 518205, 552752, 665880, 690940, 717960, 829128, 1036410, 1070957, 1331760, 1381880, 1435920, 1658256, 2072820, 2141914, 2763760, 3212871, 4145640, 4283828, 5354785, 6425742, 8291280, 8567656, 10709570, 12851484, 16064355, 17135312, 21419140, 25702968, 32128710, 42838280, 51405936, 64257420, 85676560, 128514840, 257029680]

約数ペア:

[(1, 257029680), (2, 128514840), (3, 85676560), (4, 64257420), (5, 51405936), (6, 42838280), (8, 32128710), (10, 25702968), (12, 21419140), (15, 17135312), (16, 16064355), (20, 12851484), (24, 10709570), (30, 8567656), (31, 8291280), (40, 6425742), (48, 5354785), (60, 4283828), (62, 4145640), (80, 3212871), (93, 2763760), (120, 2141914), (124, 2072820), (155, 1658256), (179, 1435920), (186, 1381880), (193, 1331760), (240, 1070957), (248, 1036410), (310, 829128), (358, 717960), (372, 690940), (386, 665880), (465, 552752), (496, 518205), (537, 478640), (579, 443920), (620, 414564), (716, 358980), (744, 345470), (772, 332940), (895, 287184), (930, 276376), (965, 266352), (1074, 239320), (1158, 221960), (1240, 207282), (1432, 179490), (1488, 172735), (1544, 166470), (1790, 143592), (1860, 138188), (1930, 133176), (2148, 119660), (2316, 110980), (2480, 103641), (2685, 95728), (2864, 89745), (2895, 88784), (3088, 83235), (3580, 71796), (3720, 69094), (3860, 66588), (4296, 59830), (4632, 55490), (5370, 47864), (5549, 46320), (5790, 44392), (5983, 42960), (7160, 35898), (7440, 34547), (7720, 33294), (8592, 29915), (9264, 27745), (10740, 23932), (11098, 23160), (11580, 22196), (11966, 21480), (14320, 17949), (15440, 16647)]