1981267680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6079}}^1$

素因数の和:6201

約数の個数: 192

約数和(自身を含む): 7207280640

約数和(自身を除く): 5226012960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 97, 105, 112, 120, 140, 160, 168, 194, 210, 224, 240, 280, 291, 336, 388, 420, 480, 485, 560, 582, 672, 679, 776, 840, 970, 1120, 1164, 1358, 1455, 1552, 1680, 1940, 2037, 2328, 2716, 2910, 3104, 3360, 3395, 3880, 4074, 4656, 5432, 5820, 6079, 6790, 7760, 8148, 9312, 10185, 10864, 11640, 12158, 13580, 15520, 16296, 18237, 20370, 21728, 23280, 24316, 27160, 30395, 32592, 36474, 40740, 42553, 46560, 48632, 54320, 60790, 65184, 72948, 81480, 85106, 91185, 97264, 108640, 121580, 127659, 145896, 162960, 170212, 182370, 194528, 212765, 243160, 255318, 291792, 325920, 340424, 364740, 425530, 486320, 510636, 583584, 589663, 638295, 680848, 729480, 851060, 972640, 1021272, 1179326, 1276590, 1361696, 1458960, 1702120, 1768989, 2042544, 2358652, 2553180, 2917920, 2948315, 3404240, 3537978, 4085088, 4127641, 4717304, 5106360, 5896630, 6808480, 7075956, 8255282, 8844945, 9434608, 10212720, 11793260, 12382923, 14151912, 16510564, 17689890, 18869216, 20425440, 20638205, 23586520, 24765846, 28303824, 33021128, 35379780, 41276410, 47173040, 49531692, 56607648, 61914615, 66042256, 70759560, 82552820, 94346080, 99063384, 123829230, 132084512, 141519120, 165105640, 198126768, 247658460, 283038240, 330211280, 396253536, 495316920, 660422560, 990633840, 1981267680]

約数ペア:

[(1, 1981267680), (2, 990633840), (3, 660422560), (4, 495316920), (5, 396253536), (6, 330211280), (7, 283038240), (8, 247658460), (10, 198126768), (12, 165105640), (14, 141519120), (15, 132084512), (16, 123829230), (20, 99063384), (21, 94346080), (24, 82552820), (28, 70759560), (30, 66042256), (32, 61914615), (35, 56607648), (40, 49531692), (42, 47173040), (48, 41276410), (56, 35379780), (60, 33021128), (70, 28303824), (80, 24765846), (84, 23586520), (96, 20638205), (97, 20425440), (105, 18869216), (112, 17689890), (120, 16510564), (140, 14151912), (160, 12382923), (168, 11793260), (194, 10212720), (210, 9434608), (224, 8844945), (240, 8255282), (280, 7075956), (291, 6808480), (336, 5896630), (388, 5106360), (420, 4717304), (480, 4127641), (485, 4085088), (560, 3537978), (582, 3404240), (672, 2948315), (679, 2917920), (776, 2553180), (840, 2358652), (970, 2042544), (1120, 1768989), (1164, 1702120), (1358, 1458960), (1455, 1361696), (1552, 1276590), (1680, 1179326), (1940, 1021272), (2037, 972640), (2328, 851060), (2716, 729480), (2910, 680848), (3104, 638295), (3360, 589663), (3395, 583584), (3880, 510636), (4074, 486320), (4656, 425530), (5432, 364740), (5820, 340424), (6079, 325920), (6790, 291792), (7760, 255318), (8148, 243160), (9312, 212765), (10185, 194528), (10864, 182370), (11640, 170212), (12158, 162960), (13580, 145896), (15520, 127659), (16296, 121580), (18237, 108640), (20370, 97264), (21728, 91185), (23280, 85106), (24316, 81480), (27160, 72948), (30395, 65184), (32592, 60790), (36474, 54320), (40740, 48632), (42553, 46560)]