991246320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 3450930912

約数和(自身を除く): 2459684592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 101, 120, 129, 144, 172, 180, 202, 215, 240, 258, 303, 317, 344, 360, 387, 404, 430, 505, 516, 606, 634, 645, 688, 720, 774, 808, 860, 909, 951, 1010, 1032, 1212, 1268, 1290, 1515, 1548, 1585, 1616, 1720, 1818, 1902, 1935, 2020, 2064, 2424, 2536, 2580, 2853, 3030, 3096, 3170, 3440, 3636, 3804, 3870, 4040, 4343, 4545, 4755, 4848, 5072, 5160, 5706, 6060, 6192, 6340, 7272, 7608, 7740, 8080, 8686, 9090, 9510, 10320, 11412, 12120, 12680, 13029, 13631, 14265, 14544, 15216, 15480, 17372, 18180, 19020, 21715, 22824, 24240, 25360, 26058, 27262, 28530, 30960, 32017, 34744, 36360, 38040, 39087, 40893, 43430, 45648, 52116, 54524, 57060, 64034, 65145, 68155, 69488, 72720, 76080, 78174, 81786, 86860, 96051, 104232, 109048, 114120, 122679, 128068, 130290, 136310, 156348, 160085, 163572, 173720, 192102, 195435, 204465, 208464, 218096, 228240, 245358, 256136, 260580, 272620, 288153, 312696, 320170, 327144, 347440, 384204, 390870, 408930, 480255, 490716, 512272, 521160, 545240, 576306, 613395, 625392, 640340, 654288, 768408, 781740, 817860, 960510, 981432, 1042320, 1090480, 1152612, 1226790, 1280680, 1376731, 1440765, 1536816, 1563480, 1635720, 1921020, 1962864, 2305224, 2453580, 2561360, 2753462, 2881530, 3126960, 3271440, 3842040, 4130193, 4610448, 4907160, 5506924, 5763060, 6883655, 7684080, 8260386, 9814320, 11013848, 11526120, 12390579, 13767310, 16520772, 20650965, 22027696, 23052240, 24781158, 27534620, 33041544, 41301930, 49562316, 55069240, 61952895, 66083088, 82603860, 99124632, 110138480, 123905790, 165207720, 198249264, 247811580, 330415440, 495623160, 991246320]

約数ペア:

[(1, 991246320), (2, 495623160), (3, 330415440), (4, 247811580), (5, 198249264), (6, 165207720), (8, 123905790), (9, 110138480), (10, 99124632), (12, 82603860), (15, 66083088), (16, 61952895), (18, 55069240), (20, 49562316), (24, 41301930), (30, 33041544), (36, 27534620), (40, 24781158), (43, 23052240), (45, 22027696), (48, 20650965), (60, 16520772), (72, 13767310), (80, 12390579), (86, 11526120), (90, 11013848), (101, 9814320), (120, 8260386), (129, 7684080), (144, 6883655), (172, 5763060), (180, 5506924), (202, 4907160), (215, 4610448), (240, 4130193), (258, 3842040), (303, 3271440), (317, 3126960), (344, 2881530), (360, 2753462), (387, 2561360), (404, 2453580), (430, 2305224), (505, 1962864), (516, 1921020), (606, 1635720), (634, 1563480), (645, 1536816), (688, 1440765), (720, 1376731), (774, 1280680), (808, 1226790), (860, 1152612), (909, 1090480), (951, 1042320), (1010, 981432), (1032, 960510), (1212, 817860), (1268, 781740), (1290, 768408), (1515, 654288), (1548, 640340), (1585, 625392), (1616, 613395), (1720, 576306), (1818, 545240), (1902, 521160), (1935, 512272), (2020, 490716), (2064, 480255), (2424, 408930), (2536, 390870), (2580, 384204), (2853, 347440), (3030, 327144), (3096, 320170), (3170, 312696), (3440, 288153), (3636, 272620), (3804, 260580), (3870, 256136), (4040, 245358), (4343, 228240), (4545, 218096), (4755, 208464), (4848, 204465), (5072, 195435), (5160, 192102), (5706, 173720), (6060, 163572), (6192, 160085), (6340, 156348), (7272, 136310), (7608, 130290), (7740, 128068), (8080, 122679), (8686, 114120), (9090, 109048), (9510, 104232), (10320, 96051), (11412, 86860), (12120, 81786), (12680, 78174), (13029, 76080), (13631, 72720), (14265, 69488), (14544, 68155), (15216, 65145), (15480, 64034), (17372, 57060), (18180, 54524), (19020, 52116), (21715, 45648), (22824, 43430), (24240, 40893), (25360, 39087), (26058, 38040), (27262, 36360), (28530, 34744), (30960, 32017)]