1978068960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3306

約数の個数: 288

約数和(自身を含む): 7843372992

約数和(自身を除く): 5865304032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 140, 144, 160, 168, 180, 183, 210, 224, 240, 244, 252, 280, 288, 305, 315, 336, 360, 366, 420, 427, 480, 488, 504, 549, 560, 610, 630, 672, 720, 732, 840, 854, 915, 976, 1008, 1098, 1120, 1220, 1260, 1281, 1440, 1464, 1680, 1708, 1830, 1952, 2016, 2135, 2196, 2440, 2520, 2562, 2745, 2928, 3217, 3360, 3416, 3660, 3843, 4270, 4392, 4880, 5040, 5124, 5490, 5856, 6405, 6434, 6832, 7320, 7686, 8540, 8784, 9651, 9760, 10080, 10248, 10980, 12810, 12868, 13664, 14640, 15372, 16085, 17080, 17568, 19215, 19302, 20496, 21960, 22519, 25620, 25736, 28953, 29280, 30744, 32170, 34160, 38430, 38604, 40992, 43920, 45038, 48255, 51240, 51472, 57906, 61488, 64340, 67557, 68320, 76860, 77208, 87840, 90076, 96510, 102480, 102944, 112595, 115812, 122976, 128680, 135114, 144765, 153720, 154416, 180152, 193020, 196237, 202671, 204960, 225190, 231624, 257360, 270228, 289530, 307440, 308832, 337785, 360304, 386040, 392474, 405342, 450380, 463248, 514720, 540456, 579060, 588711, 614880, 675570, 720608, 772080, 784948, 810684, 900760, 926496, 981185, 1013355, 1080912, 1158120, 1177422, 1351140, 1373659, 1544160, 1569896, 1621368, 1766133, 1801520, 1962370, 2026710, 2161824, 2316240, 2354844, 2702280, 2747318, 2943555, 3139792, 3242736, 3532266, 3603040, 3924740, 4053420, 4120977, 4632480, 4709688, 5404560, 5494636, 5887110, 6279584, 6485472, 6868295, 7064532, 7849480, 8106840, 8241954, 8830665, 9419376, 10809120, 10989272, 11774220, 12362931, 13736590, 14129064, 15698960, 16213680, 16483908, 17661330, 18838752, 20604885, 21978544, 23548440, 24725862, 27473180, 28258128, 31397920, 32427360, 32967816, 35322660, 41209770, 43957088, 47096880, 49451724, 54946360, 56516256, 61814655, 65935632, 70645320, 82419540, 94193760, 98903448, 109892720, 123629310, 131871264, 141290640, 164839080, 197806896, 219785440, 247258620, 282581280, 329678160, 395613792, 494517240, 659356320, 989034480, 1978068960]

約数ペア:

[(1, 1978068960), (2, 989034480), (3, 659356320), (4, 494517240), (5, 395613792), (6, 329678160), (7, 282581280), (8, 247258620), (9, 219785440), (10, 197806896), (12, 164839080), (14, 141290640), (15, 131871264), (16, 123629310), (18, 109892720), (20, 98903448), (21, 94193760), (24, 82419540), (28, 70645320), (30, 65935632), (32, 61814655), (35, 56516256), (36, 54946360), (40, 49451724), (42, 47096880), (45, 43957088), (48, 41209770), (56, 35322660), (60, 32967816), (61, 32427360), (63, 31397920), (70, 28258128), (72, 27473180), (80, 24725862), (84, 23548440), (90, 21978544), (96, 20604885), (105, 18838752), (112, 17661330), (120, 16483908), (122, 16213680), (126, 15698960), (140, 14129064), (144, 13736590), (160, 12362931), (168, 11774220), (180, 10989272), (183, 10809120), (210, 9419376), (224, 8830665), (240, 8241954), (244, 8106840), (252, 7849480), (280, 7064532), (288, 6868295), (305, 6485472), (315, 6279584), (336, 5887110), (360, 5494636), (366, 5404560), (420, 4709688), (427, 4632480), (480, 4120977), (488, 4053420), (504, 3924740), (549, 3603040), (560, 3532266), (610, 3242736), (630, 3139792), (672, 2943555), (720, 2747318), (732, 2702280), (840, 2354844), (854, 2316240), (915, 2161824), (976, 2026710), (1008, 1962370), (1098, 1801520), (1120, 1766133), (1220, 1621368), (1260, 1569896), (1281, 1544160), (1440, 1373659), (1464, 1351140), (1680, 1177422), (1708, 1158120), (1830, 1080912), (1952, 1013355), (2016, 981185), (2135, 926496), (2196, 900760), (2440, 810684), (2520, 784948), (2562, 772080), (2745, 720608), (2928, 675570), (3217, 614880), (3360, 588711), (3416, 579060), (3660, 540456), (3843, 514720), (4270, 463248), (4392, 450380), (4880, 405342), (5040, 392474), (5124, 386040), (5490, 360304), (5856, 337785), (6405, 308832), (6434, 307440), (6832, 289530), (7320, 270228), (7686, 257360), (8540, 231624), (8784, 225190), (9651, 204960), (9760, 202671), (10080, 196237), (10248, 193020), (10980, 180152), (12810, 154416), (12868, 153720), (13664, 144765), (14640, 135114), (15372, 128680), (16085, 122976), (17080, 115812), (17568, 112595), (19215, 102944), (19302, 102480), (20496, 96510), (21960, 90076), (22519, 87840), (25620, 77208), (25736, 76860), (28953, 68320), (29280, 67557), (30744, 64340), (32170, 61488), (34160, 57906), (38430, 51472), (38604, 51240), (40992, 48255), (43920, 45038)]