71788920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 259783200

約数和(自身を除く): 187994280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 49, 56, 58, 60, 70, 84, 87, 98, 105, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 245, 280, 290, 294, 348, 392, 406, 420, 421, 435, 490, 580, 588, 609, 696, 735, 812, 840, 842, 870, 980, 1015, 1160, 1176, 1218, 1263, 1421, 1470, 1624, 1684, 1740, 1960, 2030, 2105, 2436, 2526, 2842, 2940, 2947, 3045, 3368, 3480, 4060, 4210, 4263, 4872, 5052, 5684, 5880, 5894, 6090, 6315, 7105, 8120, 8420, 8526, 8841, 10104, 11368, 11788, 12180, 12209, 12630, 14210, 14735, 16840, 17052, 17682, 20629, 21315, 23576, 24360, 24418, 25260, 28420, 29470, 34104, 35364, 36627, 41258, 42630, 44205, 48836, 50520, 56840, 58940, 61045, 61887, 70728, 73254, 82516, 85260, 85463, 88410, 97672, 103145, 117880, 122090, 123774, 146508, 165032, 170520, 170926, 176820, 183135, 206290, 244180, 247548, 256389, 293016, 309435, 341852, 353640, 366270, 412580, 427315, 488360, 495096, 512778, 598241, 618870, 683704, 732540, 825160, 854630, 1025556, 1196482, 1237740, 1281945, 1465080, 1709260, 1794723, 2051112, 2392964, 2475480, 2563890, 2991205, 3418520, 3589446, 4785928, 5127780, 5982410, 7178892, 8973615, 10255560, 11964820, 14357784, 17947230, 23929640, 35894460, 71788920]

約数ペア:

[(1, 71788920), (2, 35894460), (3, 23929640), (4, 17947230), (5, 14357784), (6, 11964820), (7, 10255560), (8, 8973615), (10, 7178892), (12, 5982410), (14, 5127780), (15, 4785928), (20, 3589446), (21, 3418520), (24, 2991205), (28, 2563890), (29, 2475480), (30, 2392964), (35, 2051112), (40, 1794723), (42, 1709260), (49, 1465080), (56, 1281945), (58, 1237740), (60, 1196482), (70, 1025556), (84, 854630), (87, 825160), (98, 732540), (105, 683704), (116, 618870), (120, 598241), (140, 512778), (145, 495096), (147, 488360), (168, 427315), (174, 412580), (196, 366270), (203, 353640), (210, 341852), (232, 309435), (245, 293016), (280, 256389), (290, 247548), (294, 244180), (348, 206290), (392, 183135), (406, 176820), (420, 170926), (421, 170520), (435, 165032), (490, 146508), (580, 123774), (588, 122090), (609, 117880), (696, 103145), (735, 97672), (812, 88410), (840, 85463), (842, 85260), (870, 82516), (980, 73254), (1015, 70728), (1160, 61887), (1176, 61045), (1218, 58940), (1263, 56840), (1421, 50520), (1470, 48836), (1624, 44205), (1684, 42630), (1740, 41258), (1960, 36627), (2030, 35364), (2105, 34104), (2436, 29470), (2526, 28420), (2842, 25260), (2940, 24418), (2947, 24360), (3045, 23576), (3368, 21315), (3480, 20629), (4060, 17682), (4210, 17052), (4263, 16840), (4872, 14735), (5052, 14210), (5684, 12630), (5880, 12209), (5894, 12180), (6090, 11788), (6315, 11368), (7105, 10104), (8120, 8841), (8420, 8526)]