9781287840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{757}}^1\times {\mathrm{997}}^1$

素因数の和:1781

約数の個数: 240

約数和(自身を含む): 34600065192

約数和(自身を除く): 24818777352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 757, 810, 864, 997, 1080, 1296, 1440, 1514, 1620, 1994, 2160, 2271, 2592, 2991, 3028, 3240, 3785, 3988, 4320, 4542, 4985, 5982, 6056, 6480, 6813, 7570, 7976, 8973, 9084, 9970, 11355, 11964, 12112, 12960, 13626, 14955, 15140, 15952, 17946, 18168, 19940, 20439, 22710, 23928, 24224, 26919, 27252, 29910, 30280, 31904, 34065, 35892, 36336, 39880, 40878, 44865, 45420, 47856, 53838, 54504, 59820, 60560, 61317, 68130, 71784, 72672, 79760, 80757, 81756, 89730, 90840, 95712, 102195, 107676, 109008, 119640, 121120, 122634, 134595, 136260, 143568, 159520, 161514, 163512, 179460, 181680, 204390, 215352, 218016, 239280, 245268, 269190, 272520, 287136, 306585, 323028, 327024, 358920, 363360, 403785, 408780, 430704, 478560, 490536, 538380, 545040, 613170, 646056, 654048, 717840, 754729, 807570, 817560, 861408, 981072, 1076760, 1090080, 1226340, 1292112, 1435680, 1509458, 1615140, 1635120, 1962144, 2153520, 2264187, 2452680, 2584224, 3018916, 3230280, 3270240, 3773645, 4307040, 4528374, 4905360, 6037832, 6460560, 6792561, 7547290, 9056748, 9810720, 11320935, 12075664, 12921120, 13585122, 15094580, 18113496, 20377683, 22641870, 24151328, 27170244, 30189160, 33962805, 36226992, 40755366, 45283740, 54340488, 60378320, 61133049, 67925610, 72453984, 81510732, 90567480, 101888415, 108680976, 120756640, 122266098, 135851220, 163021464, 181134960, 203776830, 217361952, 244532196, 271702440, 305665245, 326042928, 362269920, 407553660, 489064392, 543404880, 611330490, 652085856, 815107320, 978128784, 1086809760, 1222660980, 1630214640, 1956257568, 2445321960, 3260429280, 4890643920, 9781287840]

約数ペア:

[(1, 9781287840), (2, 4890643920), (3, 3260429280), (4, 2445321960), (5, 1956257568), (6, 1630214640), (8, 1222660980), (9, 1086809760), (10, 978128784), (12, 815107320), (15, 652085856), (16, 611330490), (18, 543404880), (20, 489064392), (24, 407553660), (27, 362269920), (30, 326042928), (32, 305665245), (36, 271702440), (40, 244532196), (45, 217361952), (48, 203776830), (54, 181134960), (60, 163021464), (72, 135851220), (80, 122266098), (81, 120756640), (90, 108680976), (96, 101888415), (108, 90567480), (120, 81510732), (135, 72453984), (144, 67925610), (160, 61133049), (162, 60378320), (180, 54340488), (216, 45283740), (240, 40755366), (270, 36226992), (288, 33962805), (324, 30189160), (360, 27170244), (405, 24151328), (432, 22641870), (480, 20377683), (540, 18113496), (648, 15094580), (720, 13585122), (757, 12921120), (810, 12075664), (864, 11320935), (997, 9810720), (1080, 9056748), (1296, 7547290), (1440, 6792561), (1514, 6460560), (1620, 6037832), (1994, 4905360), (2160, 4528374), (2271, 4307040), (2592, 3773645), (2991, 3270240), (3028, 3230280), (3240, 3018916), (3785, 2584224), (3988, 2452680), (4320, 2264187), (4542, 2153520), (4985, 1962144), (5982, 1635120), (6056, 1615140), (6480, 1509458), (6813, 1435680), (7570, 1292112), (7976, 1226340), (8973, 1090080), (9084, 1076760), (9970, 981072), (11355, 861408), (11964, 817560), (12112, 807570), (12960, 754729), (13626, 717840), (14955, 654048), (15140, 646056), (15952, 613170), (17946, 545040), (18168, 538380), (19940, 490536), (20439, 478560), (22710, 430704), (23928, 408780), (24224, 403785), (26919, 363360), (27252, 358920), (29910, 327024), (30280, 323028), (31904, 306585), (34065, 287136), (35892, 272520), (36336, 269190), (39880, 245268), (40878, 239280), (44865, 218016), (45420, 215352), (47856, 204390), (53838, 181680), (54504, 179460), (59820, 163512), (60560, 161514), (61317, 159520), (68130, 143568), (71784, 136260), (72672, 134595), (79760, 122634), (80757, 121120), (81756, 119640), (89730, 109008), (90840, 107676), (95712, 102195)]