31797960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 102332160

約数和(自身を除く): 70534200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 281, 328, 345, 410, 460, 492, 552, 562, 615, 690, 820, 843, 920, 943, 984, 1124, 1230, 1380, 1405, 1640, 1686, 1886, 2248, 2460, 2760, 2810, 2829, 3372, 3772, 4215, 4715, 4920, 5620, 5658, 6463, 6744, 7544, 8430, 9430, 11240, 11316, 11521, 12926, 14145, 16860, 18860, 19389, 22632, 23042, 25852, 28290, 32315, 33720, 34563, 37720, 38778, 46084, 51704, 56580, 57605, 64630, 69126, 77556, 92168, 96945, 113160, 115210, 129260, 138252, 155112, 172815, 193890, 230420, 258520, 264983, 276504, 345630, 387780, 460840, 529966, 691260, 775560, 794949, 1059932, 1324915, 1382520, 1589898, 2119864, 2649830, 3179796, 3974745, 5299660, 6359592, 7949490, 10599320, 15898980, 31797960]

約数ペア:

[(1, 31797960), (2, 15898980), (3, 10599320), (4, 7949490), (5, 6359592), (6, 5299660), (8, 3974745), (10, 3179796), (12, 2649830), (15, 2119864), (20, 1589898), (23, 1382520), (24, 1324915), (30, 1059932), (40, 794949), (41, 775560), (46, 691260), (60, 529966), (69, 460840), (82, 387780), (92, 345630), (115, 276504), (120, 264983), (123, 258520), (138, 230420), (164, 193890), (184, 172815), (205, 155112), (230, 138252), (246, 129260), (276, 115210), (281, 113160), (328, 96945), (345, 92168), (410, 77556), (460, 69126), (492, 64630), (552, 57605), (562, 56580), (615, 51704), (690, 46084), (820, 38778), (843, 37720), (920, 34563), (943, 33720), (984, 32315), (1124, 28290), (1230, 25852), (1380, 23042), (1405, 22632), (1640, 19389), (1686, 18860), (1886, 16860), (2248, 14145), (2460, 12926), (2760, 11521), (2810, 11316), (2829, 11240), (3372, 9430), (3772, 8430), (4215, 7544), (4715, 6744), (4920, 6463), (5620, 5658)]