20645764440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1426

約数の個数: 256

約数和(自身を含む): 71836416000

約数和(自身を除く): 51190651560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 199, 210, 226, 280, 339, 398, 420, 452, 565, 597, 678, 791, 796, 840, 904, 995, 1093, 1130, 1194, 1356, 1393, 1582, 1592, 1695, 1990, 2186, 2260, 2373, 2388, 2712, 2786, 2985, 3164, 3279, 3390, 3955, 3980, 4179, 4372, 4520, 4746, 4776, 5465, 5572, 5970, 6328, 6558, 6780, 6965, 7651, 7910, 7960, 8358, 8744, 9492, 10930, 11144, 11865, 11940, 13116, 13560, 13930, 15302, 15820, 16395, 16716, 18984, 20895, 21860, 22487, 22953, 23730, 23880, 26232, 27860, 30604, 31640, 32790, 33432, 38255, 41790, 43720, 44974, 45906, 47460, 55720, 61208, 65580, 67461, 76510, 83580, 89948, 91812, 94920, 112435, 114765, 123509, 131160, 134922, 153020, 157409, 167160, 179896, 183624, 217507, 224870, 229530, 247018, 269844, 306040, 314818, 337305, 370527, 435014, 449740, 459060, 472227, 494036, 539688, 617545, 629636, 652521, 674610, 741054, 787045, 864563, 870028, 899480, 918120, 944454, 988072, 1087535, 1235090, 1259272, 1305042, 1349220, 1482108, 1522549, 1574090, 1729126, 1740056, 1852635, 1888908, 2175070, 2361135, 2470180, 2593689, 2610084, 2698440, 2964216, 3045098, 3148180, 3262605, 3458252, 3705270, 3777816, 4322815, 4350140, 4567647, 4722270, 4940360, 5187378, 5220168, 6090196, 6296360, 6525210, 6916504, 7410540, 7612745, 8645630, 8700280, 9135294, 9444540, 10374756, 12180392, 12968445, 13050420, 14821080, 15225490, 17291260, 18270588, 18889080, 20749512, 22838235, 24578291, 25936890, 26100840, 30450980, 34582520, 36541176, 45676470, 49156582, 51873780, 60901960, 73734873, 91352940, 98313164, 103747560, 122891455, 147469746, 172048037, 182705880, 196626328, 245782910, 294939492, 344096074, 368674365, 491565820, 516144111, 589878984, 688192148, 737348730, 860240185, 983131640, 1032288222, 1376384296, 1474697460, 1720480370, 2064576444, 2580720555, 2949394920, 3440960740, 4129152888, 5161441110, 6881921480, 10322882220, 20645764440]

約数ペア:

[(1, 20645764440), (2, 10322882220), (3, 6881921480), (4, 5161441110), (5, 4129152888), (6, 3440960740), (7, 2949394920), (8, 2580720555), (10, 2064576444), (12, 1720480370), (14, 1474697460), (15, 1376384296), (20, 1032288222), (21, 983131640), (24, 860240185), (28, 737348730), (30, 688192148), (35, 589878984), (40, 516144111), (42, 491565820), (56, 368674365), (60, 344096074), (70, 294939492), (84, 245782910), (105, 196626328), (113, 182705880), (120, 172048037), (140, 147469746), (168, 122891455), (199, 103747560), (210, 98313164), (226, 91352940), (280, 73734873), (339, 60901960), (398, 51873780), (420, 49156582), (452, 45676470), (565, 36541176), (597, 34582520), (678, 30450980), (791, 26100840), (796, 25936890), (840, 24578291), (904, 22838235), (995, 20749512), (1093, 18889080), (1130, 18270588), (1194, 17291260), (1356, 15225490), (1393, 14821080), (1582, 13050420), (1592, 12968445), (1695, 12180392), (1990, 10374756), (2186, 9444540), (2260, 9135294), (2373, 8700280), (2388, 8645630), (2712, 7612745), (2786, 7410540), (2985, 6916504), (3164, 6525210), (3279, 6296360), (3390, 6090196), (3955, 5220168), (3980, 5187378), (4179, 4940360), (4372, 4722270), (4520, 4567647), (4746, 4350140), (4776, 4322815), (5465, 3777816), (5572, 3705270), (5970, 3458252), (6328, 3262605), (6558, 3148180), (6780, 3045098), (6965, 2964216), (7651, 2698440), (7910, 2610084), (7960, 2593689), (8358, 2470180), (8744, 2361135), (9492, 2175070), (10930, 1888908), (11144, 1852635), (11865, 1740056), (11940, 1729126), (13116, 1574090), (13560, 1522549), (13930, 1482108), (15302, 1349220), (15820, 1305042), (16395, 1259272), (16716, 1235090), (18984, 1087535), (20895, 988072), (21860, 944454), (22487, 918120), (22953, 899480), (23730, 870028), (23880, 864563), (26232, 787045), (27860, 741054), (30604, 674610), (31640, 652521), (32790, 629636), (33432, 617545), (38255, 539688), (41790, 494036), (43720, 472227), (44974, 459060), (45906, 449740), (47460, 435014), (55720, 370527), (61208, 337305), (65580, 314818), (67461, 306040), (76510, 269844), (83580, 247018), (89948, 229530), (91812, 224870), (94920, 217507), (112435, 183624), (114765, 179896), (123509, 167160), (131160, 157409), (134922, 153020)]