257559120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3970

約数の個数: 240

約数和(自身を含む): 1064848512

約数和(自身を除く): 807289392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 3931, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 7862, 8190, 9360, 10920, 11793, 13104, 15724, 16380, 19655, 21840, 23586, 27517, 31448, 32760, 35379, 39310, 47172, 51103, 55034, 58965, 62896, 65520, 70758, 78620, 82551, 94344, 102206, 110068, 117930, 137585, 141516, 153309, 157240, 165102, 176895, 188688, 204412, 220136, 235860, 247653, 255515, 275170, 283032, 306618, 314480, 330204, 353790, 357721, 408824, 412755, 440272, 459927, 471720, 495306, 511030, 550340, 566064, 613236, 660408, 707580, 715442, 766545, 817648, 825510, 919854, 943440, 990612, 1022060, 1073163, 1100680, 1226472, 1238265, 1320816, 1415160, 1430884, 1533090, 1651020, 1788605, 1839708, 1981224, 2044120, 2146326, 2201360, 2299635, 2452944, 2476530, 2830320, 2861768, 3066180, 3219489, 3302040, 3577210, 3679416, 3962448, 4088240, 4292652, 4599270, 4953060, 5365815, 5723536, 6132360, 6438978, 6604080, 7154420, 7358832, 8585304, 9198540, 9906120, 10731630, 12264720, 12877956, 14308840, 16097445, 17170608, 18397080, 19812240, 21463260, 25755912, 28617680, 32194890, 36794160, 42926520, 51511824, 64389780, 85853040, 128779560, 257559120]

約数ペア:

[(1, 257559120), (2, 128779560), (3, 85853040), (4, 64389780), (5, 51511824), (6, 42926520), (7, 36794160), (8, 32194890), (9, 28617680), (10, 25755912), (12, 21463260), (13, 19812240), (14, 18397080), (15, 17170608), (16, 16097445), (18, 14308840), (20, 12877956), (21, 12264720), (24, 10731630), (26, 9906120), (28, 9198540), (30, 8585304), (35, 7358832), (36, 7154420), (39, 6604080), (40, 6438978), (42, 6132360), (45, 5723536), (48, 5365815), (52, 4953060), (56, 4599270), (60, 4292652), (63, 4088240), (65, 3962448), (70, 3679416), (72, 3577210), (78, 3302040), (80, 3219489), (84, 3066180), (90, 2861768), (91, 2830320), (104, 2476530), (105, 2452944), (112, 2299635), (117, 2201360), (120, 2146326), (126, 2044120), (130, 1981224), (140, 1839708), (144, 1788605), (156, 1651020), (168, 1533090), (180, 1430884), (182, 1415160), (195, 1320816), (208, 1238265), (210, 1226472), (234, 1100680), (240, 1073163), (252, 1022060), (260, 990612), (273, 943440), (280, 919854), (312, 825510), (315, 817648), (336, 766545), (360, 715442), (364, 707580), (390, 660408), (420, 613236), (455, 566064), (468, 550340), (504, 511030), (520, 495306), (546, 471720), (560, 459927), (585, 440272), (624, 412755), (630, 408824), (720, 357721), (728, 353790), (780, 330204), (819, 314480), (840, 306618), (910, 283032), (936, 275170), (1008, 255515), (1040, 247653), (1092, 235860), (1170, 220136), (1260, 204412), (1365, 188688), (1456, 176895), (1560, 165102), (1638, 157240), (1680, 153309), (1820, 141516), (1872, 137585), (2184, 117930), (2340, 110068), (2520, 102206), (2730, 94344), (3120, 82551), (3276, 78620), (3640, 70758), (3931, 65520), (4095, 62896), (4368, 58965), (4680, 55034), (5040, 51103), (5460, 47172), (6552, 39310), (7280, 35379), (7862, 32760), (8190, 31448), (9360, 27517), (10920, 23586), (11793, 21840), (13104, 19655), (15724, 16380)]