251010780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 782369280

約数和(自身を除く): 531358500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 59, 60, 68, 85, 86, 97, 102, 118, 129, 170, 172, 177, 194, 204, 215, 236, 255, 258, 291, 295, 340, 354, 388, 430, 485, 510, 516, 582, 590, 645, 708, 731, 860, 885, 970, 1003, 1020, 1164, 1180, 1290, 1455, 1462, 1649, 1770, 1940, 2006, 2193, 2537, 2580, 2910, 2924, 3009, 3298, 3540, 3655, 4012, 4171, 4386, 4947, 5015, 5074, 5723, 5820, 6018, 6596, 7310, 7611, 8245, 8342, 8772, 9894, 10030, 10148, 10965, 11446, 12036, 12513, 12685, 14620, 15045, 15222, 16490, 16684, 17169, 19788, 20060, 20855, 21930, 22892, 24735, 25026, 25370, 28615, 30090, 30444, 32980, 34338, 38055, 41710, 43129, 43860, 49470, 50052, 50740, 57230, 60180, 62565, 68676, 70907, 76110, 83420, 85845, 86258, 97291, 98940, 114460, 125130, 129387, 141814, 152220, 171690, 172516, 194582, 212721, 215645, 246089, 250260, 258774, 283628, 291873, 343380, 354535, 389164, 425442, 431290, 486455, 492178, 517548, 583746, 646935, 709070, 738267, 850884, 862580, 972910, 984356, 1063605, 1167492, 1230445, 1293870, 1418140, 1459365, 1476534, 1945820, 2127210, 2460890, 2587740, 2918730, 2953068, 3691335, 4183513, 4254420, 4921780, 5837460, 7382670, 8367026, 12550539, 14765340, 16734052, 20917565, 25101078, 41835130, 50202156, 62752695, 83670260, 125505390, 251010780]

約数ペア:

[(1, 251010780), (2, 125505390), (3, 83670260), (4, 62752695), (5, 50202156), (6, 41835130), (10, 25101078), (12, 20917565), (15, 16734052), (17, 14765340), (20, 12550539), (30, 8367026), (34, 7382670), (43, 5837460), (51, 4921780), (59, 4254420), (60, 4183513), (68, 3691335), (85, 2953068), (86, 2918730), (97, 2587740), (102, 2460890), (118, 2127210), (129, 1945820), (170, 1476534), (172, 1459365), (177, 1418140), (194, 1293870), (204, 1230445), (215, 1167492), (236, 1063605), (255, 984356), (258, 972910), (291, 862580), (295, 850884), (340, 738267), (354, 709070), (388, 646935), (430, 583746), (485, 517548), (510, 492178), (516, 486455), (582, 431290), (590, 425442), (645, 389164), (708, 354535), (731, 343380), (860, 291873), (885, 283628), (970, 258774), (1003, 250260), (1020, 246089), (1164, 215645), (1180, 212721), (1290, 194582), (1455, 172516), (1462, 171690), (1649, 152220), (1770, 141814), (1940, 129387), (2006, 125130), (2193, 114460), (2537, 98940), (2580, 97291), (2910, 86258), (2924, 85845), (3009, 83420), (3298, 76110), (3540, 70907), (3655, 68676), (4012, 62565), (4171, 60180), (4386, 57230), (4947, 50740), (5015, 50052), (5074, 49470), (5723, 43860), (5820, 43129), (6018, 41710), (6596, 38055), (7310, 34338), (7611, 32980), (8245, 30444), (8342, 30090), (8772, 28615), (9894, 25370), (10030, 25026), (10148, 24735), (10965, 22892), (11446, 21930), (12036, 20855), (12513, 20060), (12685, 19788), (14620, 17169), (15045, 16684), (15222, 16490)]