31474080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 144

約数和(自身を含む): 117228384

約数和(自身を除く): 85754304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 1987, 2640, 3168, 3960, 3974, 5280, 5961, 7920, 7948, 9935, 11922, 15840, 15896, 17883, 19870, 21857, 23844, 29805, 31792, 35766, 39740, 43714, 47688, 59610, 63584, 65571, 71532, 79480, 87428, 89415, 95376, 109285, 119220, 131142, 143064, 158960, 174856, 178830, 190752, 196713, 218570, 238440, 262284, 286128, 317920, 327855, 349712, 357660, 393426, 437140, 476880, 524568, 572256, 655710, 699424, 715320, 786852, 874280, 953760, 983565, 1049136, 1311420, 1430640, 1573704, 1748560, 1967130, 2098272, 2622840, 2861280, 3147408, 3497120, 3934260, 5245680, 6294816, 7868520, 10491360, 15737040, 31474080]

約数ペア:

[(1, 31474080), (2, 15737040), (3, 10491360), (4, 7868520), (5, 6294816), (6, 5245680), (8, 3934260), (9, 3497120), (10, 3147408), (11, 2861280), (12, 2622840), (15, 2098272), (16, 1967130), (18, 1748560), (20, 1573704), (22, 1430640), (24, 1311420), (30, 1049136), (32, 983565), (33, 953760), (36, 874280), (40, 786852), (44, 715320), (45, 699424), (48, 655710), (55, 572256), (60, 524568), (66, 476880), (72, 437140), (80, 393426), (88, 357660), (90, 349712), (96, 327855), (99, 317920), (110, 286128), (120, 262284), (132, 238440), (144, 218570), (160, 196713), (165, 190752), (176, 178830), (180, 174856), (198, 158960), (220, 143064), (240, 131142), (264, 119220), (288, 109285), (330, 95376), (352, 89415), (360, 87428), (396, 79480), (440, 71532), (480, 65571), (495, 63584), (528, 59610), (660, 47688), (720, 43714), (792, 39740), (880, 35766), (990, 31792), (1056, 29805), (1320, 23844), (1440, 21857), (1584, 19870), (1760, 17883), (1980, 15896), (1987, 15840), (2640, 11922), (3168, 9935), (3960, 7948), (3974, 7920), (5280, 5961)]