131512920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 256

約数和(自身を含む): 504852480

約数和(自身を除く): 373339560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 43, 44, 55, 56, 60, 66, 70, 77, 84, 86, 88, 105, 110, 120, 129, 132, 140, 154, 165, 168, 172, 210, 215, 220, 231, 258, 264, 280, 301, 308, 330, 331, 344, 385, 420, 430, 440, 462, 473, 516, 602, 616, 645, 660, 662, 770, 840, 860, 903, 924, 946, 993, 1032, 1155, 1204, 1290, 1320, 1324, 1419, 1505, 1540, 1655, 1720, 1806, 1848, 1892, 1986, 2310, 2317, 2365, 2408, 2580, 2648, 2838, 3010, 3080, 3310, 3311, 3612, 3641, 3784, 3972, 4515, 4620, 4634, 4730, 4965, 5160, 5676, 6020, 6620, 6622, 6951, 7095, 7224, 7282, 7944, 9030, 9240, 9268, 9460, 9930, 9933, 10923, 11352, 11585, 12040, 13240, 13244, 13902, 14190, 14233, 14564, 16555, 18060, 18205, 18536, 18920, 19860, 19866, 21846, 23170, 25487, 26488, 27804, 28380, 28466, 29128, 33110, 34755, 36120, 36410, 39720, 39732, 42699, 43692, 46340, 49665, 50974, 54615, 55608, 56760, 56932, 66220, 69510, 71165, 72820, 76461, 79464, 85398, 87384, 92680, 99330, 99631, 101948, 109230, 113864, 127435, 132440, 139020, 142330, 145640, 152922, 156563, 170796, 198660, 199262, 203896, 213495, 218460, 254870, 278040, 284660, 298893, 305844, 313126, 341592, 382305, 397320, 398524, 426990, 436920, 469689, 498155, 509740, 569320, 597786, 611688, 626252, 764610, 782815, 797048, 853980, 939378, 996310, 1019480, 1095941, 1195572, 1252504, 1494465, 1529220, 1565630, 1707960, 1878756, 1992620, 2191882, 2348445, 2391144, 2988930, 3058440, 3131260, 3287823, 3757512, 3985240, 4383764, 4696890, 5479705, 5977860, 6262520, 6575646, 8767528, 9393780, 10959410, 11955720, 13151292, 16439115, 18787560, 21918820, 26302584, 32878230, 43837640, 65756460, 131512920]

約数ペア:

[(1, 131512920), (2, 65756460), (3, 43837640), (4, 32878230), (5, 26302584), (6, 21918820), (7, 18787560), (8, 16439115), (10, 13151292), (11, 11955720), (12, 10959410), (14, 9393780), (15, 8767528), (20, 6575646), (21, 6262520), (22, 5977860), (24, 5479705), (28, 4696890), (30, 4383764), (33, 3985240), (35, 3757512), (40, 3287823), (42, 3131260), (43, 3058440), (44, 2988930), (55, 2391144), (56, 2348445), (60, 2191882), (66, 1992620), (70, 1878756), (77, 1707960), (84, 1565630), (86, 1529220), (88, 1494465), (105, 1252504), (110, 1195572), (120, 1095941), (129, 1019480), (132, 996310), (140, 939378), (154, 853980), (165, 797048), (168, 782815), (172, 764610), (210, 626252), (215, 611688), (220, 597786), (231, 569320), (258, 509740), (264, 498155), (280, 469689), (301, 436920), (308, 426990), (330, 398524), (331, 397320), (344, 382305), (385, 341592), (420, 313126), (430, 305844), (440, 298893), (462, 284660), (473, 278040), (516, 254870), (602, 218460), (616, 213495), (645, 203896), (660, 199262), (662, 198660), (770, 170796), (840, 156563), (860, 152922), (903, 145640), (924, 142330), (946, 139020), (993, 132440), (1032, 127435), (1155, 113864), (1204, 109230), (1290, 101948), (1320, 99631), (1324, 99330), (1419, 92680), (1505, 87384), (1540, 85398), (1655, 79464), (1720, 76461), (1806, 72820), (1848, 71165), (1892, 69510), (1986, 66220), (2310, 56932), (2317, 56760), (2365, 55608), (2408, 54615), (2580, 50974), (2648, 49665), (2838, 46340), (3010, 43692), (3080, 42699), (3310, 39732), (3311, 39720), (3612, 36410), (3641, 36120), (3784, 34755), (3972, 33110), (4515, 29128), (4620, 28466), (4634, 28380), (4730, 27804), (4965, 26488), (5160, 25487), (5676, 23170), (6020, 21846), (6620, 19866), (6622, 19860), (6951, 18920), (7095, 18536), (7224, 18205), (7282, 18060), (7944, 16555), (9030, 14564), (9240, 14233), (9268, 14190), (9460, 13902), (9930, 13244), (9933, 13240), (10923, 12040), (11352, 11585)]