258435840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 923037696

約数和(自身を除く): 664601856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 167, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 334, 372, 384, 390, 403, 416, 465, 480, 496, 501, 520, 620, 624, 640, 668, 744, 768, 780, 806, 832, 835, 930, 960, 992, 1002, 1040, 1209, 1240, 1248, 1280, 1336, 1488, 1560, 1612, 1664, 1670, 1860, 1920, 1984, 2004, 2015, 2080, 2171, 2418, 2480, 2496, 2505, 2672, 2976, 3120, 3224, 3328, 3340, 3720, 3840, 3968, 4008, 4030, 4160, 4342, 4836, 4960, 4992, 5010, 5177, 5344, 5952, 6045, 6240, 6448, 6513, 6680, 7440, 7936, 8016, 8060, 8320, 8684, 9672, 9920, 9984, 10020, 10354, 10688, 10855, 11904, 12090, 12480, 12896, 13026, 13360, 14880, 15531, 16032, 16120, 16640, 17368, 19344, 19840, 20040, 20708, 21376, 21710, 23808, 24180, 24960, 25792, 25885, 26052, 26720, 29760, 31062, 32064, 32240, 32565, 34736, 38688, 39680, 40080, 41416, 42752, 43420, 48360, 49920, 51584, 51770, 52104, 53440, 59520, 62124, 64128, 64480, 65130, 67301, 69472, 77376, 77655, 80160, 82832, 86840, 96720, 103168, 103540, 104208, 106880, 119040, 124248, 128256, 128960, 130260, 134602, 138944, 154752, 155310, 160320, 165664, 173680, 193440, 201903, 207080, 208416, 213760, 248496, 257920, 260520, 269204, 277888, 309504, 310620, 320640, 331328, 336505, 347360, 386880, 403806, 414160, 416832, 496992, 515840, 521040, 538408, 555776, 621240, 641280, 662656, 673010, 694720, 773760, 807612, 828320, 833664, 993984, 1009515, 1042080, 1076816, 1242480, 1325312, 1346020, 1389440, 1547520, 1615224, 1656640, 1667328, 1987968, 2019030, 2084160, 2153632, 2484960, 2692040, 2778880, 3230448, 3313280, 3975936, 4038060, 4168320, 4307264, 4969920, 5384080, 6460896, 6626560, 8076120, 8336640, 8614528, 9939840, 10768160, 12921792, 16152240, 17229056, 19879680, 21536320, 25843584, 32304480, 43072640, 51687168, 64608960, 86145280, 129217920, 258435840]

約数ペア:

[(1, 258435840), (2, 129217920), (3, 86145280), (4, 64608960), (5, 51687168), (6, 43072640), (8, 32304480), (10, 25843584), (12, 21536320), (13, 19879680), (15, 17229056), (16, 16152240), (20, 12921792), (24, 10768160), (26, 9939840), (30, 8614528), (31, 8336640), (32, 8076120), (39, 6626560), (40, 6460896), (48, 5384080), (52, 4969920), (60, 4307264), (62, 4168320), (64, 4038060), (65, 3975936), (78, 3313280), (80, 3230448), (93, 2778880), (96, 2692040), (104, 2484960), (120, 2153632), (124, 2084160), (128, 2019030), (130, 1987968), (155, 1667328), (156, 1656640), (160, 1615224), (167, 1547520), (186, 1389440), (192, 1346020), (195, 1325312), (208, 1242480), (240, 1076816), (248, 1042080), (256, 1009515), (260, 993984), (310, 833664), (312, 828320), (320, 807612), (334, 773760), (372, 694720), (384, 673010), (390, 662656), (403, 641280), (416, 621240), (465, 555776), (480, 538408), (496, 521040), (501, 515840), (520, 496992), (620, 416832), (624, 414160), (640, 403806), (668, 386880), (744, 347360), (768, 336505), (780, 331328), (806, 320640), (832, 310620), (835, 309504), (930, 277888), (960, 269204), (992, 260520), (1002, 257920), (1040, 248496), (1209, 213760), (1240, 208416), (1248, 207080), (1280, 201903), (1336, 193440), (1488, 173680), (1560, 165664), (1612, 160320), (1664, 155310), (1670, 154752), (1860, 138944), (1920, 134602), (1984, 130260), (2004, 128960), (2015, 128256), (2080, 124248), (2171, 119040), (2418, 106880), (2480, 104208), (2496, 103540), (2505, 103168), (2672, 96720), (2976, 86840), (3120, 82832), (3224, 80160), (3328, 77655), (3340, 77376), (3720, 69472), (3840, 67301), (3968, 65130), (4008, 64480), (4030, 64128), (4160, 62124), (4342, 59520), (4836, 53440), (4960, 52104), (4992, 51770), (5010, 51584), (5177, 49920), (5344, 48360), (5952, 43420), (6045, 42752), (6240, 41416), (6448, 40080), (6513, 39680), (6680, 38688), (7440, 34736), (7936, 32565), (8016, 32240), (8060, 32064), (8320, 31062), (8684, 29760), (9672, 26720), (9920, 26052), (9984, 25885), (10020, 25792), (10354, 24960), (10688, 24180), (10855, 23808), (11904, 21710), (12090, 21376), (12480, 20708), (12896, 20040), (13026, 19840), (13360, 19344), (14880, 17368), (15531, 16640), (16032, 16120)]