257092920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1155

約数の個数: 256

約数和(自身を含む): 1011916800

約数和(自身を除く): 754823880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 930, 945, 1080, 1085, 1097, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1860, 1890, 1953, 2170, 2194, 2232, 2520, 2604, 2790, 3255, 3291, 3348, 3720, 3780, 3906, 4185, 4340, 4388, 5208, 5485, 5580, 5859, 6510, 6582, 6696, 7560, 7679, 7812, 8370, 8680, 8776, 9765, 9873, 10970, 11160, 11718, 13020, 13164, 15358, 15624, 16455, 16740, 19530, 19746, 21940, 23037, 23436, 26040, 26328, 29295, 29619, 30716, 32910, 33480, 34007, 38395, 39060, 39492, 43880, 46074, 46872, 49365, 58590, 59238, 61432, 65820, 68014, 69111, 76790, 78120, 78984, 92148, 98730, 102021, 115185, 117180, 118476, 131640, 136028, 138222, 148095, 153580, 170035, 184296, 197460, 204042, 207333, 230370, 234360, 236952, 238049, 272056, 276444, 296190, 306063, 307160, 340070, 345555, 394920, 408084, 414666, 460740, 476098, 510105, 552888, 592380, 612126, 680140, 691110, 714147, 816168, 829332, 918189, 921480, 952196, 1020210, 1036665, 1184760, 1190245, 1224252, 1360280, 1382220, 1428294, 1530315, 1658664, 1836378, 1904392, 2040420, 2073330, 2142441, 2380490, 2448504, 2764440, 2856588, 3060630, 3570735, 3672756, 4080840, 4146660, 4284882, 4590945, 4760980, 5713176, 6121260, 6427323, 7141470, 7345512, 8293320, 8569764, 9181890, 9521960, 10712205, 12242520, 12854646, 14282940, 17139528, 18363780, 21424410, 25709292, 28565880, 32136615, 36727560, 42848820, 51418584, 64273230, 85697640, 128546460, 257092920]

約数ペア:

[(1, 257092920), (2, 128546460), (3, 85697640), (4, 64273230), (5, 51418584), (6, 42848820), (7, 36727560), (8, 32136615), (9, 28565880), (10, 25709292), (12, 21424410), (14, 18363780), (15, 17139528), (18, 14282940), (20, 12854646), (21, 12242520), (24, 10712205), (27, 9521960), (28, 9181890), (30, 8569764), (31, 8293320), (35, 7345512), (36, 7141470), (40, 6427323), (42, 6121260), (45, 5713176), (54, 4760980), (56, 4590945), (60, 4284882), (62, 4146660), (63, 4080840), (70, 3672756), (72, 3570735), (84, 3060630), (90, 2856588), (93, 2764440), (105, 2448504), (108, 2380490), (120, 2142441), (124, 2073330), (126, 2040420), (135, 1904392), (140, 1836378), (155, 1658664), (168, 1530315), (180, 1428294), (186, 1382220), (189, 1360280), (210, 1224252), (216, 1190245), (217, 1184760), (248, 1036665), (252, 1020210), (270, 952196), (279, 921480), (280, 918189), (310, 829332), (315, 816168), (360, 714147), (372, 691110), (378, 680140), (420, 612126), (434, 592380), (465, 552888), (504, 510105), (540, 476098), (558, 460740), (620, 414666), (630, 408084), (651, 394920), (744, 345555), (756, 340070), (837, 307160), (840, 306063), (868, 296190), (930, 276444), (945, 272056), (1080, 238049), (1085, 236952), (1097, 234360), (1116, 230370), (1240, 207333), (1260, 204042), (1302, 197460), (1395, 184296), (1512, 170035), (1674, 153580), (1736, 148095), (1860, 138222), (1890, 136028), (1953, 131640), (2170, 118476), (2194, 117180), (2232, 115185), (2520, 102021), (2604, 98730), (2790, 92148), (3255, 78984), (3291, 78120), (3348, 76790), (3720, 69111), (3780, 68014), (3906, 65820), (4185, 61432), (4340, 59238), (4388, 58590), (5208, 49365), (5485, 46872), (5580, 46074), (5859, 43880), (6510, 39492), (6582, 39060), (6696, 38395), (7560, 34007), (7679, 33480), (7812, 32910), (8370, 30716), (8680, 29619), (8776, 29295), (9765, 26328), (9873, 26040), (10970, 23436), (11160, 23037), (11718, 21940), (13020, 19746), (13164, 19530), (15358, 16740), (15624, 16455)]