1920390480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{887}}^1$

素因数の和:1034

約数の個数: 240

約数和(自身を含む): 6733569024

約数和(自身を除く): 4813178544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 97, 120, 124, 144, 155, 180, 186, 194, 240, 248, 279, 291, 310, 360, 372, 388, 465, 485, 496, 558, 582, 620, 720, 744, 776, 873, 887, 930, 970, 1116, 1164, 1240, 1395, 1455, 1488, 1552, 1746, 1774, 1860, 1940, 2232, 2328, 2480, 2661, 2790, 2910, 3007, 3492, 3548, 3720, 3880, 4365, 4435, 4464, 4656, 5322, 5580, 5820, 6014, 6984, 7096, 7440, 7760, 7983, 8730, 8870, 9021, 10644, 11160, 11640, 12028, 13305, 13968, 14192, 15035, 15966, 17460, 17740, 18042, 21288, 22320, 23280, 24056, 26610, 27063, 27497, 30070, 31932, 34920, 35480, 36084, 39915, 42576, 45105, 48112, 53220, 54126, 54994, 60140, 63864, 69840, 70960, 72168, 79830, 82491, 86039, 90210, 106440, 108252, 109988, 120280, 127728, 135315, 137485, 144336, 159660, 164982, 172078, 180420, 212880, 216504, 219976, 240560, 247473, 258117, 270630, 274970, 319320, 329964, 344156, 360840, 412455, 430195, 433008, 439952, 494946, 516234, 541260, 549940, 638640, 659928, 688312, 721680, 774351, 824910, 860390, 989892, 1032468, 1082520, 1099880, 1237365, 1290585, 1319856, 1376624, 1548702, 1649820, 1720780, 1979784, 2064936, 2165040, 2199760, 2474730, 2581170, 2667209, 3097404, 3299640, 3441560, 3871755, 3959568, 4129872, 4949460, 5162340, 5334418, 6194808, 6599280, 6883120, 7743510, 8001627, 9898920, 10324680, 10668836, 12389616, 13336045, 15487020, 16003254, 19797840, 20649360, 21337672, 24004881, 26672090, 30974040, 32006508, 40008135, 42675344, 48009762, 53344180, 61948080, 64013016, 80016270, 96019524, 106688360, 120024405, 128026032, 160032540, 192039048, 213376720, 240048810, 320065080, 384078096, 480097620, 640130160, 960195240, 1920390480]

約数ペア:

[(1, 1920390480), (2, 960195240), (3, 640130160), (4, 480097620), (5, 384078096), (6, 320065080), (8, 240048810), (9, 213376720), (10, 192039048), (12, 160032540), (15, 128026032), (16, 120024405), (18, 106688360), (20, 96019524), (24, 80016270), (30, 64013016), (31, 61948080), (36, 53344180), (40, 48009762), (45, 42675344), (48, 40008135), (60, 32006508), (62, 30974040), (72, 26672090), (80, 24004881), (90, 21337672), (93, 20649360), (97, 19797840), (120, 16003254), (124, 15487020), (144, 13336045), (155, 12389616), (180, 10668836), (186, 10324680), (194, 9898920), (240, 8001627), (248, 7743510), (279, 6883120), (291, 6599280), (310, 6194808), (360, 5334418), (372, 5162340), (388, 4949460), (465, 4129872), (485, 3959568), (496, 3871755), (558, 3441560), (582, 3299640), (620, 3097404), (720, 2667209), (744, 2581170), (776, 2474730), (873, 2199760), (887, 2165040), (930, 2064936), (970, 1979784), (1116, 1720780), (1164, 1649820), (1240, 1548702), (1395, 1376624), (1455, 1319856), (1488, 1290585), (1552, 1237365), (1746, 1099880), (1774, 1082520), (1860, 1032468), (1940, 989892), (2232, 860390), (2328, 824910), (2480, 774351), (2661, 721680), (2790, 688312), (2910, 659928), (3007, 638640), (3492, 549940), (3548, 541260), (3720, 516234), (3880, 494946), (4365, 439952), (4435, 433008), (4464, 430195), (4656, 412455), (5322, 360840), (5580, 344156), (5820, 329964), (6014, 319320), (6984, 274970), (7096, 270630), (7440, 258117), (7760, 247473), (7983, 240560), (8730, 219976), (8870, 216504), (9021, 212880), (10644, 180420), (11160, 172078), (11640, 164982), (12028, 159660), (13305, 144336), (13968, 137485), (14192, 135315), (15035, 127728), (15966, 120280), (17460, 109988), (17740, 108252), (18042, 106440), (21288, 90210), (22320, 86039), (23280, 82491), (24056, 79830), (26610, 72168), (27063, 70960), (27497, 69840), (30070, 63864), (31932, 60140), (34920, 54994), (35480, 54126), (36084, 53220), (39915, 48112), (42576, 45105)]