81432120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1259}}^1$

素因数の和:1298

約数の個数: 192

約数和(自身を含む): 310262400

約数和(自身を除く): 228830280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 440, 462, 490, 539, 588, 616, 660, 735, 770, 840, 924, 980, 1078, 1155, 1176, 1259, 1320, 1470, 1540, 1617, 1848, 1960, 2156, 2310, 2518, 2695, 2940, 3080, 3234, 3777, 4312, 4620, 5036, 5390, 5880, 6295, 6468, 7554, 8085, 8813, 9240, 10072, 10780, 12590, 12936, 13849, 15108, 16170, 17626, 18885, 21560, 25180, 26439, 27698, 30216, 32340, 35252, 37770, 41547, 44065, 50360, 52878, 55396, 61691, 64680, 69245, 70504, 75540, 83094, 88130, 96943, 105756, 110792, 123382, 132195, 138490, 151080, 166188, 176260, 185073, 193886, 207735, 211512, 246764, 264390, 276980, 290829, 308455, 332376, 352520, 370146, 387772, 415470, 484715, 493528, 528780, 553960, 581658, 616910, 678601, 740292, 775544, 830940, 925365, 969430, 1057560, 1163316, 1233820, 1357202, 1454145, 1480584, 1661880, 1850730, 1938860, 2035803, 2326632, 2467640, 2714404, 2908290, 3393005, 3701460, 3877720, 4071606, 5428808, 5816580, 6786010, 7402920, 8143212, 10179015, 11633160, 13572020, 16286424, 20358030, 27144040, 40716060, 81432120]

約数ペア:

[(1, 81432120), (2, 40716060), (3, 27144040), (4, 20358030), (5, 16286424), (6, 13572020), (7, 11633160), (8, 10179015), (10, 8143212), (11, 7402920), (12, 6786010), (14, 5816580), (15, 5428808), (20, 4071606), (21, 3877720), (22, 3701460), (24, 3393005), (28, 2908290), (30, 2714404), (33, 2467640), (35, 2326632), (40, 2035803), (42, 1938860), (44, 1850730), (49, 1661880), (55, 1480584), (56, 1454145), (60, 1357202), (66, 1233820), (70, 1163316), (77, 1057560), (84, 969430), (88, 925365), (98, 830940), (105, 775544), (110, 740292), (120, 678601), (132, 616910), (140, 581658), (147, 553960), (154, 528780), (165, 493528), (168, 484715), (196, 415470), (210, 387772), (220, 370146), (231, 352520), (245, 332376), (264, 308455), (280, 290829), (294, 276980), (308, 264390), (330, 246764), (385, 211512), (392, 207735), (420, 193886), (440, 185073), (462, 176260), (490, 166188), (539, 151080), (588, 138490), (616, 132195), (660, 123382), (735, 110792), (770, 105756), (840, 96943), (924, 88130), (980, 83094), (1078, 75540), (1155, 70504), (1176, 69245), (1259, 64680), (1320, 61691), (1470, 55396), (1540, 52878), (1617, 50360), (1848, 44065), (1960, 41547), (2156, 37770), (2310, 35252), (2518, 32340), (2695, 30216), (2940, 27698), (3080, 26439), (3234, 25180), (3777, 21560), (4312, 18885), (4620, 17626), (5036, 16170), (5390, 15108), (5880, 13849), (6295, 12936), (6468, 12590), (7554, 10780), (8085, 10072), (8813, 9240)]