71218980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 257402880

約数和(自身を除く): 186183900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 83, 84, 90, 105, 108, 126, 135, 140, 166, 180, 189, 210, 227, 249, 252, 270, 315, 332, 378, 415, 420, 454, 498, 540, 581, 630, 681, 747, 756, 830, 908, 945, 996, 1135, 1162, 1245, 1260, 1362, 1494, 1589, 1660, 1743, 1890, 2043, 2241, 2270, 2324, 2490, 2724, 2905, 2988, 3178, 3405, 3486, 3735, 3780, 4086, 4482, 4540, 4767, 4980, 5229, 5810, 6129, 6356, 6810, 6972, 7470, 7945, 8172, 8715, 8964, 9534, 10215, 10458, 11205, 11620, 12258, 13620, 14301, 14940, 15687, 15890, 17430, 18841, 19068, 20430, 20916, 22410, 23835, 24516, 26145, 28602, 30645, 31374, 31780, 34860, 37682, 40860, 42903, 44820, 47670, 52290, 56523, 57204, 61290, 62748, 71505, 75364, 78435, 85806, 94205, 95340, 104580, 113046, 122580, 131887, 143010, 156870, 169569, 171612, 188410, 214515, 226092, 263774, 282615, 286020, 313740, 339138, 376820, 395661, 429030, 508707, 527548, 565230, 659435, 678276, 791322, 847845, 858060, 1017414, 1130460, 1186983, 1318870, 1582644, 1695690, 1978305, 2034828, 2373966, 2543535, 2637740, 3391380, 3560949, 3956610, 4747932, 5087070, 5934915, 7121898, 7913220, 10174140, 11869830, 14243796, 17804745, 23739660, 35609490, 71218980]

約数ペア:

[(1, 71218980), (2, 35609490), (3, 23739660), (4, 17804745), (5, 14243796), (6, 11869830), (7, 10174140), (9, 7913220), (10, 7121898), (12, 5934915), (14, 5087070), (15, 4747932), (18, 3956610), (20, 3560949), (21, 3391380), (27, 2637740), (28, 2543535), (30, 2373966), (35, 2034828), (36, 1978305), (42, 1695690), (45, 1582644), (54, 1318870), (60, 1186983), (63, 1130460), (70, 1017414), (83, 858060), (84, 847845), (90, 791322), (105, 678276), (108, 659435), (126, 565230), (135, 527548), (140, 508707), (166, 429030), (180, 395661), (189, 376820), (210, 339138), (227, 313740), (249, 286020), (252, 282615), (270, 263774), (315, 226092), (332, 214515), (378, 188410), (415, 171612), (420, 169569), (454, 156870), (498, 143010), (540, 131887), (581, 122580), (630, 113046), (681, 104580), (747, 95340), (756, 94205), (830, 85806), (908, 78435), (945, 75364), (996, 71505), (1135, 62748), (1162, 61290), (1245, 57204), (1260, 56523), (1362, 52290), (1494, 47670), (1589, 44820), (1660, 42903), (1743, 40860), (1890, 37682), (2043, 34860), (2241, 31780), (2270, 31374), (2324, 30645), (2490, 28602), (2724, 26145), (2905, 24516), (2988, 23835), (3178, 22410), (3405, 20916), (3486, 20430), (3735, 19068), (3780, 18841), (4086, 17430), (4482, 15890), (4540, 15687), (4767, 14940), (4980, 14301), (5229, 13620), (5810, 12258), (6129, 11620), (6356, 11205), (6810, 10458), (6972, 10215), (7470, 9534), (7945, 8964), (8172, 8715)]