254578944

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 763049728

約数和(自身を除く): 508470784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 37, 48, 51, 62, 64, 68, 74, 93, 96, 102, 111, 124, 128, 136, 148, 186, 192, 204, 222, 248, 256, 272, 289, 296, 372, 384, 408, 444, 496, 527, 544, 578, 592, 629, 744, 768, 816, 867, 888, 992, 1054, 1088, 1147, 1156, 1184, 1258, 1488, 1581, 1632, 1734, 1776, 1887, 1984, 2108, 2176, 2294, 2312, 2368, 2516, 2976, 3162, 3264, 3441, 3468, 3552, 3774, 3968, 4216, 4352, 4588, 4624, 4736, 5032, 5952, 6324, 6528, 6882, 6936, 7104, 7548, 7936, 8432, 8959, 9176, 9248, 9472, 10064, 10693, 11904, 12648, 13056, 13764, 13872, 14208, 15096, 16864, 17918, 18352, 18496, 19499, 20128, 21386, 23808, 25296, 26877, 27528, 27744, 28416, 30192, 32079, 33728, 35836, 36704, 36992, 38998, 40256, 42772, 50592, 53754, 55056, 55488, 58497, 60384, 64158, 67456, 71672, 73408, 73984, 77996, 80512, 85544, 101184, 107508, 110112, 110976, 116994, 120768, 128316, 134912, 143344, 146816, 155992, 161024, 171088, 202368, 215016, 220224, 221952, 233988, 241536, 256632, 286688, 293632, 311984, 331483, 342176, 404736, 430032, 440448, 467976, 483072, 513264, 573376, 623968, 662966, 684352, 860064, 880896, 935952, 994449, 1026528, 1146752, 1247936, 1325932, 1368704, 1720128, 1871904, 1988898, 2053056, 2293504, 2495872, 2651864, 2737408, 3440256, 3743808, 3977796, 4106112, 4991744, 5303728, 6880512, 7487616, 7955592, 8212224, 10607456, 14975232, 15911184, 21214912, 31822368, 42429824, 63644736, 84859648, 127289472, 254578944]

約数ペア:

[(1, 254578944), (2, 127289472), (3, 84859648), (4, 63644736), (6, 42429824), (8, 31822368), (12, 21214912), (16, 15911184), (17, 14975232), (24, 10607456), (31, 8212224), (32, 7955592), (34, 7487616), (37, 6880512), (48, 5303728), (51, 4991744), (62, 4106112), (64, 3977796), (68, 3743808), (74, 3440256), (93, 2737408), (96, 2651864), (102, 2495872), (111, 2293504), (124, 2053056), (128, 1988898), (136, 1871904), (148, 1720128), (186, 1368704), (192, 1325932), (204, 1247936), (222, 1146752), (248, 1026528), (256, 994449), (272, 935952), (289, 880896), (296, 860064), (372, 684352), (384, 662966), (408, 623968), (444, 573376), (496, 513264), (527, 483072), (544, 467976), (578, 440448), (592, 430032), (629, 404736), (744, 342176), (768, 331483), (816, 311984), (867, 293632), (888, 286688), (992, 256632), (1054, 241536), (1088, 233988), (1147, 221952), (1156, 220224), (1184, 215016), (1258, 202368), (1488, 171088), (1581, 161024), (1632, 155992), (1734, 146816), (1776, 143344), (1887, 134912), (1984, 128316), (2108, 120768), (2176, 116994), (2294, 110976), (2312, 110112), (2368, 107508), (2516, 101184), (2976, 85544), (3162, 80512), (3264, 77996), (3441, 73984), (3468, 73408), (3552, 71672), (3774, 67456), (3968, 64158), (4216, 60384), (4352, 58497), (4588, 55488), (4624, 55056), (4736, 53754), (5032, 50592), (5952, 42772), (6324, 40256), (6528, 38998), (6882, 36992), (6936, 36704), (7104, 35836), (7548, 33728), (7936, 32079), (8432, 30192), (8959, 28416), (9176, 27744), (9248, 27528), (9472, 26877), (10064, 25296), (10693, 23808), (11904, 21386), (12648, 20128), (13056, 19499), (13764, 18496), (13872, 18352), (14208, 17918), (15096, 16864)]