311622480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 240

約数和(自身を含む): 1139458320

約数和(自身を除く): 827835840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 197, 208, 234, 240, 260, 312, 338, 360, 390, 394, 468, 507, 520, 585, 591, 624, 676, 720, 780, 788, 845, 936, 985, 1014, 1040, 1170, 1182, 1352, 1521, 1560, 1576, 1690, 1773, 1872, 1970, 2028, 2197, 2340, 2364, 2535, 2561, 2704, 2955, 3042, 3120, 3152, 3380, 3546, 3940, 4056, 4394, 4680, 4728, 5070, 5122, 5910, 6084, 6591, 6760, 7092, 7605, 7683, 7880, 8112, 8788, 8865, 9360, 9456, 10140, 10244, 10985, 11820, 12168, 12805, 13182, 13520, 14184, 15210, 15366, 15760, 17576, 17730, 19773, 20280, 20488, 21970, 23049, 23640, 24336, 25610, 26364, 28368, 30420, 30732, 32955, 33293, 35152, 35460, 38415, 39546, 40560, 40976, 43940, 46098, 47280, 51220, 52728, 60840, 61464, 65910, 66586, 70920, 76830, 79092, 87880, 92196, 98865, 99879, 102440, 105456, 115245, 121680, 122928, 131820, 133172, 141840, 153660, 158184, 166465, 175760, 184392, 197730, 199758, 204880, 230490, 263640, 266344, 299637, 307320, 316368, 332930, 368784, 395460, 399516, 432809, 460980, 499395, 527280, 532688, 599274, 614640, 665860, 790920, 799032, 865618, 921960, 998790, 1198548, 1298427, 1331720, 1498185, 1581840, 1598064, 1731236, 1843920, 1997580, 2164045, 2397096, 2596854, 2663440, 2996370, 3462472, 3895281, 3995160, 4328090, 4794192, 5193708, 5992740, 6492135, 6924944, 7790562, 7990320, 8656180, 10387416, 11985480, 12984270, 15581124, 17312360, 19476405, 20774832, 23970960, 25968540, 31162248, 34624720, 38952810, 51937080, 62324496, 77905620, 103874160, 155811240, 311622480]

約数ペア:

[(1, 311622480), (2, 155811240), (3, 103874160), (4, 77905620), (5, 62324496), (6, 51937080), (8, 38952810), (9, 34624720), (10, 31162248), (12, 25968540), (13, 23970960), (15, 20774832), (16, 19476405), (18, 17312360), (20, 15581124), (24, 12984270), (26, 11985480), (30, 10387416), (36, 8656180), (39, 7990320), (40, 7790562), (45, 6924944), (48, 6492135), (52, 5992740), (60, 5193708), (65, 4794192), (72, 4328090), (78, 3995160), (80, 3895281), (90, 3462472), (104, 2996370), (117, 2663440), (120, 2596854), (130, 2397096), (144, 2164045), (156, 1997580), (169, 1843920), (180, 1731236), (195, 1598064), (197, 1581840), (208, 1498185), (234, 1331720), (240, 1298427), (260, 1198548), (312, 998790), (338, 921960), (360, 865618), (390, 799032), (394, 790920), (468, 665860), (507, 614640), (520, 599274), (585, 532688), (591, 527280), (624, 499395), (676, 460980), (720, 432809), (780, 399516), (788, 395460), (845, 368784), (936, 332930), (985, 316368), (1014, 307320), (1040, 299637), (1170, 266344), (1182, 263640), (1352, 230490), (1521, 204880), (1560, 199758), (1576, 197730), (1690, 184392), (1773, 175760), (1872, 166465), (1970, 158184), (2028, 153660), (2197, 141840), (2340, 133172), (2364, 131820), (2535, 122928), (2561, 121680), (2704, 115245), (2955, 105456), (3042, 102440), (3120, 99879), (3152, 98865), (3380, 92196), (3546, 87880), (3940, 79092), (4056, 76830), (4394, 70920), (4680, 66586), (4728, 65910), (5070, 61464), (5122, 60840), (5910, 52728), (6084, 51220), (6591, 47280), (6760, 46098), (7092, 43940), (7605, 40976), (7683, 40560), (7880, 39546), (8112, 38415), (8788, 35460), (8865, 35152), (9360, 33293), (9456, 32955), (10140, 30732), (10244, 30420), (10985, 28368), (11820, 26364), (12168, 25610), (12805, 24336), (13182, 23640), (13520, 23049), (14184, 21970), (15210, 20488), (15366, 20280), (15760, 19773), (17576, 17730)]