247354920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 896781600

約数和(自身を除く): 649426680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 43, 45, 57, 58, 60, 72, 76, 86, 87, 90, 95, 114, 116, 120, 129, 145, 152, 171, 172, 174, 180, 190, 215, 228, 232, 258, 261, 285, 290, 342, 344, 348, 360, 380, 387, 430, 435, 456, 516, 522, 551, 570, 580, 645, 684, 696, 760, 774, 817, 841, 855, 860, 870, 1032, 1044, 1102, 1140, 1160, 1247, 1290, 1305, 1368, 1548, 1634, 1653, 1682, 1710, 1720, 1740, 1935, 2088, 2204, 2280, 2451, 2494, 2523, 2580, 2610, 2755, 3096, 3268, 3306, 3364, 3420, 3480, 3741, 3870, 4085, 4205, 4408, 4902, 4959, 4988, 5046, 5160, 5220, 5510, 6235, 6536, 6612, 6728, 6840, 7353, 7482, 7569, 7740, 8170, 8265, 8410, 9804, 9918, 9976, 10092, 10440, 11020, 11223, 12255, 12470, 12615, 13224, 14706, 14964, 15138, 15480, 15979, 16340, 16530, 16820, 18705, 19608, 19836, 20184, 22040, 22446, 23693, 24510, 24795, 24940, 25230, 29412, 29928, 30276, 31958, 32680, 33060, 33640, 36163, 36765, 37410, 37845, 39672, 44892, 47386, 47937, 49020, 49590, 49880, 50460, 56115, 58824, 60552, 63916, 66120, 71079, 72326, 73530, 74820, 75690, 79895, 89784, 94772, 95874, 98040, 99180, 100920, 108489, 112230, 118465, 127832, 142158, 143811, 144652, 147060, 149640, 151380, 159790, 180815, 189544, 191748, 198360, 213237, 216978, 224460, 236930, 239685, 284316, 287622, 289304, 294120, 302760, 319580, 325467, 355395, 361630, 383496, 426474, 433956, 448920, 473860, 479370, 542445, 568632, 575244, 639160, 650934, 687097, 710790, 719055, 723260, 852948, 867912, 947720, 958740, 1066185, 1084890, 1150488, 1301868, 1374194, 1421580, 1438110, 1446520, 1627335, 1705896, 1917480, 2061291, 2132370, 2169780, 2603736, 2748388, 2843160, 2876220, 3254670, 3435485, 4122582, 4264740, 4339560, 5496776, 5752440, 6183873, 6509340, 6870970, 8245164, 8529480, 10306455, 12367746, 13018680, 13741940, 16490328, 20612910, 24735492, 27483880, 30919365, 41225820, 49470984, 61838730, 82451640, 123677460, 247354920]

約数ペア:

[(1, 247354920), (2, 123677460), (3, 82451640), (4, 61838730), (5, 49470984), (6, 41225820), (8, 30919365), (9, 27483880), (10, 24735492), (12, 20612910), (15, 16490328), (18, 13741940), (19, 13018680), (20, 12367746), (24, 10306455), (29, 8529480), (30, 8245164), (36, 6870970), (38, 6509340), (40, 6183873), (43, 5752440), (45, 5496776), (57, 4339560), (58, 4264740), (60, 4122582), (72, 3435485), (76, 3254670), (86, 2876220), (87, 2843160), (90, 2748388), (95, 2603736), (114, 2169780), (116, 2132370), (120, 2061291), (129, 1917480), (145, 1705896), (152, 1627335), (171, 1446520), (172, 1438110), (174, 1421580), (180, 1374194), (190, 1301868), (215, 1150488), (228, 1084890), (232, 1066185), (258, 958740), (261, 947720), (285, 867912), (290, 852948), (342, 723260), (344, 719055), (348, 710790), (360, 687097), (380, 650934), (387, 639160), (430, 575244), (435, 568632), (456, 542445), (516, 479370), (522, 473860), (551, 448920), (570, 433956), (580, 426474), (645, 383496), (684, 361630), (696, 355395), (760, 325467), (774, 319580), (817, 302760), (841, 294120), (855, 289304), (860, 287622), (870, 284316), (1032, 239685), (1044, 236930), (1102, 224460), (1140, 216978), (1160, 213237), (1247, 198360), (1290, 191748), (1305, 189544), (1368, 180815), (1548, 159790), (1634, 151380), (1653, 149640), (1682, 147060), (1710, 144652), (1720, 143811), (1740, 142158), (1935, 127832), (2088, 118465), (2204, 112230), (2280, 108489), (2451, 100920), (2494, 99180), (2523, 98040), (2580, 95874), (2610, 94772), (2755, 89784), (3096, 79895), (3268, 75690), (3306, 74820), (3364, 73530), (3420, 72326), (3480, 71079), (3741, 66120), (3870, 63916), (4085, 60552), (4205, 58824), (4408, 56115), (4902, 50460), (4959, 49880), (4988, 49590), (5046, 49020), (5160, 47937), (5220, 47386), (5510, 44892), (6235, 39672), (6536, 37845), (6612, 37410), (6728, 36765), (6840, 36163), (7353, 33640), (7482, 33060), (7569, 32680), (7740, 31958), (8170, 30276), (8265, 29928), (8410, 29412), (9804, 25230), (9918, 24940), (9976, 24795), (10092, 24510), (10440, 23693), (11020, 22446), (11223, 22040), (12255, 20184), (12470, 19836), (12615, 19608), (13224, 18705), (14706, 16820), (14964, 16530), (15138, 16340), (15480, 15979)]