257196672

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 819149760

約数和(自身を除く): 561953088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 23, 24, 32, 34, 36, 46, 48, 51, 64, 68, 69, 72, 92, 96, 102, 128, 136, 138, 144, 153, 184, 192, 204, 207, 272, 276, 288, 306, 368, 384, 391, 408, 414, 544, 552, 571, 576, 612, 736, 782, 816, 828, 1088, 1104, 1142, 1152, 1173, 1224, 1472, 1564, 1632, 1656, 1713, 2176, 2208, 2284, 2346, 2448, 2944, 3128, 3264, 3312, 3426, 3519, 4416, 4568, 4692, 4896, 5139, 6256, 6528, 6624, 6852, 7038, 8832, 9136, 9384, 9707, 9792, 10278, 12512, 13133, 13248, 13704, 14076, 18272, 18768, 19414, 19584, 20556, 25024, 26266, 26496, 27408, 28152, 29121, 36544, 37536, 38828, 39399, 41112, 50048, 52532, 54816, 56304, 58242, 73088, 75072, 77656, 78798, 82224, 87363, 105064, 109632, 112608, 116484, 118197, 150144, 155312, 157596, 164448, 174726, 210128, 219264, 223261, 225216, 232968, 236394, 310624, 315192, 328896, 349452, 420256, 446522, 450432, 465936, 472788, 621248, 630384, 657792, 669783, 698904, 840512, 893044, 931872, 945576, 1242496, 1260768, 1339566, 1397808, 1681024, 1786088, 1863744, 1891152, 2009349, 2521536, 2679132, 2795616, 3572176, 3727488, 3782304, 4018698, 5043072, 5358264, 5591232, 7144352, 7564608, 8037396, 10716528, 11182464, 14288704, 15129216, 16074792, 21433056, 28577408, 32149584, 42866112, 64299168, 85732224, 128598336, 257196672]

約数ペア:

[(1, 257196672), (2, 128598336), (3, 85732224), (4, 64299168), (6, 42866112), (8, 32149584), (9, 28577408), (12, 21433056), (16, 16074792), (17, 15129216), (18, 14288704), (23, 11182464), (24, 10716528), (32, 8037396), (34, 7564608), (36, 7144352), (46, 5591232), (48, 5358264), (51, 5043072), (64, 4018698), (68, 3782304), (69, 3727488), (72, 3572176), (92, 2795616), (96, 2679132), (102, 2521536), (128, 2009349), (136, 1891152), (138, 1863744), (144, 1786088), (153, 1681024), (184, 1397808), (192, 1339566), (204, 1260768), (207, 1242496), (272, 945576), (276, 931872), (288, 893044), (306, 840512), (368, 698904), (384, 669783), (391, 657792), (408, 630384), (414, 621248), (544, 472788), (552, 465936), (571, 450432), (576, 446522), (612, 420256), (736, 349452), (782, 328896), (816, 315192), (828, 310624), (1088, 236394), (1104, 232968), (1142, 225216), (1152, 223261), (1173, 219264), (1224, 210128), (1472, 174726), (1564, 164448), (1632, 157596), (1656, 155312), (1713, 150144), (2176, 118197), (2208, 116484), (2284, 112608), (2346, 109632), (2448, 105064), (2944, 87363), (3128, 82224), (3264, 78798), (3312, 77656), (3426, 75072), (3519, 73088), (4416, 58242), (4568, 56304), (4692, 54816), (4896, 52532), (5139, 50048), (6256, 41112), (6528, 39399), (6624, 38828), (6852, 37536), (7038, 36544), (8832, 29121), (9136, 28152), (9384, 27408), (9707, 26496), (9792, 26266), (10278, 25024), (12512, 20556), (13133, 19584), (13248, 19414), (13704, 18768), (14076, 18272)]