257712840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1$

素因数の和:1074

約数の個数: 320

約数和(自身を含む): 1080984960

約数和(自身を除く): 823272120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 81, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 162, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 324, 330, 360, 378, 385, 396, 405, 420, 440, 462, 495, 504, 540, 567, 594, 616, 630, 648, 660, 693, 756, 770, 792, 810, 840, 891, 924, 945, 990, 1033, 1080, 1134, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1620, 1782, 1848, 1890, 1980, 2066, 2079, 2268, 2310, 2376, 2520, 2772, 2835, 2970, 3080, 3099, 3240, 3465, 3564, 3780, 3960, 4132, 4158, 4455, 4536, 4620, 5165, 5544, 5670, 5940, 6198, 6237, 6930, 7128, 7231, 7560, 8264, 8316, 8910, 9240, 9297, 10330, 10395, 11340, 11363, 11880, 12396, 12474, 13860, 14462, 15495, 16632, 17820, 18594, 20660, 20790, 21693, 22680, 22726, 24792, 24948, 27720, 27891, 28924, 30990, 31185, 34089, 35640, 36155, 37188, 41320, 41580, 43386, 45452, 46485, 49896, 55782, 56815, 57848, 61980, 62370, 65079, 68178, 72310, 74376, 79541, 83160, 83673, 86772, 90904, 92970, 102267, 108465, 111564, 113630, 123960, 124740, 130158, 136356, 139455, 144620, 159082, 167346, 170445, 173544, 185940, 195237, 204534, 216930, 223128, 227260, 238623, 249480, 260316, 272712, 278910, 289240, 306801, 318164, 325395, 334692, 340890, 371880, 390474, 397705, 409068, 418365, 433860, 454520, 477246, 511335, 520632, 557820, 585711, 613602, 636328, 650790, 669384, 681780, 715869, 780948, 795410, 818136, 836730, 867720, 920403, 954492, 976185, 1022670, 1115640, 1171422, 1193115, 1227204, 1301580, 1363560, 1431738, 1534005, 1561896, 1590820, 1673460, 1840806, 1908984, 1952370, 2045340, 2147607, 2342844, 2386230, 2454408, 2603160, 2863476, 2928555, 3068010, 3181640, 3346920, 3579345, 3681612, 3904740, 4090680, 4295214, 4602015, 4685688, 4772460, 5726952, 5857110, 6136020, 6442821, 7158690, 7363224, 7809480, 8590428, 9204030, 9544920, 10738035, 11714220, 12272040, 12885642, 14317380, 17180856, 18408060, 21476070, 23428440, 25771284, 28634760, 32214105, 36816120, 42952140, 51542568, 64428210, 85904280, 128856420, 257712840]

約数ペア:

[(1, 257712840), (2, 128856420), (3, 85904280), (4, 64428210), (5, 51542568), (6, 42952140), (7, 36816120), (8, 32214105), (9, 28634760), (10, 25771284), (11, 23428440), (12, 21476070), (14, 18408060), (15, 17180856), (18, 14317380), (20, 12885642), (21, 12272040), (22, 11714220), (24, 10738035), (27, 9544920), (28, 9204030), (30, 8590428), (33, 7809480), (35, 7363224), (36, 7158690), (40, 6442821), (42, 6136020), (44, 5857110), (45, 5726952), (54, 4772460), (55, 4685688), (56, 4602015), (60, 4295214), (63, 4090680), (66, 3904740), (70, 3681612), (72, 3579345), (77, 3346920), (81, 3181640), (84, 3068010), (88, 2928555), (90, 2863476), (99, 2603160), (105, 2454408), (108, 2386230), (110, 2342844), (120, 2147607), (126, 2045340), (132, 1952370), (135, 1908984), (140, 1840806), (154, 1673460), (162, 1590820), (165, 1561896), (168, 1534005), (180, 1431738), (189, 1363560), (198, 1301580), (210, 1227204), (216, 1193115), (220, 1171422), (231, 1115640), (252, 1022670), (264, 976185), (270, 954492), (280, 920403), (297, 867720), (308, 836730), (315, 818136), (324, 795410), (330, 780948), (360, 715869), (378, 681780), (385, 669384), (396, 650790), (405, 636328), (420, 613602), (440, 585711), (462, 557820), (495, 520632), (504, 511335), (540, 477246), (567, 454520), (594, 433860), (616, 418365), (630, 409068), (648, 397705), (660, 390474), (693, 371880), (756, 340890), (770, 334692), (792, 325395), (810, 318164), (840, 306801), (891, 289240), (924, 278910), (945, 272712), (990, 260316), (1033, 249480), (1080, 238623), (1134, 227260), (1155, 223128), (1188, 216930), (1260, 204534), (1320, 195237), (1386, 185940), (1485, 173544), (1512, 170445), (1540, 167346), (1620, 159082), (1782, 144620), (1848, 139455), (1890, 136356), (1980, 130158), (2066, 124740), (2079, 123960), (2268, 113630), (2310, 111564), (2376, 108465), (2520, 102267), (2772, 92970), (2835, 90904), (2970, 86772), (3080, 83673), (3099, 83160), (3240, 79541), (3465, 74376), (3564, 72310), (3780, 68178), (3960, 65079), (4132, 62370), (4158, 61980), (4455, 57848), (4536, 56815), (4620, 55782), (5165, 49896), (5544, 46485), (5670, 45452), (5940, 43386), (6198, 41580), (6237, 41320), (6930, 37188), (7128, 36155), (7231, 35640), (7560, 34089), (8264, 31185), (8316, 30990), (8910, 28924), (9240, 27891), (9297, 27720), (10330, 24948), (10395, 24792), (11340, 22726), (11363, 22680), (11880, 21693), (12396, 20790), (12474, 20660), (13860, 18594), (14462, 17820), (15495, 16632)]