1680591840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2233

約数の個数: 192

約数和(自身を含む): 5570353152

約数和(自身を除く): 3889761312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 80, 93, 96, 106, 120, 124, 155, 159, 160, 186, 212, 240, 248, 265, 310, 318, 372, 424, 465, 480, 496, 530, 620, 636, 744, 795, 848, 930, 992, 1060, 1240, 1272, 1488, 1590, 1643, 1696, 1860, 2120, 2131, 2480, 2544, 2976, 3180, 3286, 3720, 4240, 4262, 4929, 4960, 5088, 6360, 6393, 6572, 7440, 8215, 8480, 8524, 9858, 10655, 12720, 12786, 13144, 14880, 16430, 17048, 19716, 21310, 24645, 25440, 25572, 26288, 31965, 32860, 34096, 39432, 42620, 49290, 51144, 52576, 63930, 65720, 66061, 68192, 78864, 85240, 98580, 102288, 112943, 127860, 131440, 132122, 157728, 170480, 197160, 198183, 204576, 225886, 255720, 262880, 264244, 330305, 338829, 340960, 394320, 396366, 451772, 511440, 528488, 564715, 660610, 677658, 788640, 792732, 903544, 990915, 1022880, 1056976, 1129430, 1321220, 1355316, 1585464, 1694145, 1807088, 1981830, 2113952, 2258860, 2642440, 2710632, 3170928, 3388290, 3501233, 3614176, 3963660, 4517720, 5284880, 5421264, 6341856, 6776580, 7002466, 7927320, 9035440, 10503699, 10569760, 10842528, 13553160, 14004932, 15854640, 17506165, 18070880, 21007398, 27106320, 28009864, 31709280, 35012330, 42014796, 52518495, 54212640, 56019728, 70024660, 84029592, 105036990, 112039456, 140049320, 168059184, 210073980, 280098640, 336118368, 420147960, 560197280, 840295920, 1680591840]

約数ペア:

[(1, 1680591840), (2, 840295920), (3, 560197280), (4, 420147960), (5, 336118368), (6, 280098640), (8, 210073980), (10, 168059184), (12, 140049320), (15, 112039456), (16, 105036990), (20, 84029592), (24, 70024660), (30, 56019728), (31, 54212640), (32, 52518495), (40, 42014796), (48, 35012330), (53, 31709280), (60, 28009864), (62, 27106320), (80, 21007398), (93, 18070880), (96, 17506165), (106, 15854640), (120, 14004932), (124, 13553160), (155, 10842528), (159, 10569760), (160, 10503699), (186, 9035440), (212, 7927320), (240, 7002466), (248, 6776580), (265, 6341856), (310, 5421264), (318, 5284880), (372, 4517720), (424, 3963660), (465, 3614176), (480, 3501233), (496, 3388290), (530, 3170928), (620, 2710632), (636, 2642440), (744, 2258860), (795, 2113952), (848, 1981830), (930, 1807088), (992, 1694145), (1060, 1585464), (1240, 1355316), (1272, 1321220), (1488, 1129430), (1590, 1056976), (1643, 1022880), (1696, 990915), (1860, 903544), (2120, 792732), (2131, 788640), (2480, 677658), (2544, 660610), (2976, 564715), (3180, 528488), (3286, 511440), (3720, 451772), (4240, 396366), (4262, 394320), (4929, 340960), (4960, 338829), (5088, 330305), (6360, 264244), (6393, 262880), (6572, 255720), (7440, 225886), (8215, 204576), (8480, 198183), (8524, 197160), (9858, 170480), (10655, 157728), (12720, 132122), (12786, 131440), (13144, 127860), (14880, 112943), (16430, 102288), (17048, 98580), (19716, 85240), (21310, 78864), (24645, 68192), (25440, 66061), (25572, 65720), (26288, 63930), (31965, 52576), (32860, 51144), (34096, 49290), (39432, 42620)]