1311311520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11527}}^1$

素因数の和:11627

約数の個数: 144

約数和(自身を含む): 4531887360

約数和(自身を除く): 3220575840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1440, 1580, 1896, 2370, 2528, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 7584, 9480, 11376, 11527, 12640, 14220, 18960, 22752, 23054, 28440, 34581, 37920, 46108, 56880, 57635, 69162, 92216, 103743, 113760, 115270, 138324, 172905, 184432, 207486, 230540, 276648, 345810, 368864, 414972, 461080, 518715, 553296, 691620, 829944, 910633, 922160, 1037430, 1106592, 1383240, 1659888, 1821266, 1844320, 2074860, 2731899, 2766480, 3319776, 3642532, 4149720, 4553165, 5463798, 5532960, 7285064, 8195697, 8299440, 9106330, 10927596, 13659495, 14570128, 16391394, 16598880, 18212660, 21855192, 27318990, 29140256, 32782788, 36425320, 40978485, 43710384, 54637980, 65565576, 72850640, 81956970, 87420768, 109275960, 131131152, 145701280, 163913940, 218551920, 262262304, 327827880, 437103840, 655655760, 1311311520]

約数ペア:

[(1, 1311311520), (2, 655655760), (3, 437103840), (4, 327827880), (5, 262262304), (6, 218551920), (8, 163913940), (9, 145701280), (10, 131131152), (12, 109275960), (15, 87420768), (16, 81956970), (18, 72850640), (20, 65565576), (24, 54637980), (30, 43710384), (32, 40978485), (36, 36425320), (40, 32782788), (45, 29140256), (48, 27318990), (60, 21855192), (72, 18212660), (79, 16598880), (80, 16391394), (90, 14570128), (96, 13659495), (120, 10927596), (144, 9106330), (158, 8299440), (160, 8195697), (180, 7285064), (237, 5532960), (240, 5463798), (288, 4553165), (316, 4149720), (360, 3642532), (395, 3319776), (474, 2766480), (480, 2731899), (632, 2074860), (711, 1844320), (720, 1821266), (790, 1659888), (948, 1383240), (1185, 1106592), (1264, 1037430), (1422, 922160), (1440, 910633), (1580, 829944), (1896, 691620), (2370, 553296), (2528, 518715), (2844, 461080), (3160, 414972), (3555, 368864), (3792, 345810), (4740, 276648), (5688, 230540), (6320, 207486), (7110, 184432), (7584, 172905), (9480, 138324), (11376, 115270), (11527, 113760), (12640, 103743), (14220, 92216), (18960, 69162), (22752, 57635), (23054, 56880), (28440, 46108), (34581, 37920)]