81243120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1367

約数の個数: 160

約数和(自身を含む): 295838208

約数和(自身を除く): 214595088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 555, 560, 592, 740, 777, 840, 888, 1036, 1110, 1295, 1307, 1480, 1554, 1680, 1776, 2072, 2220, 2590, 2614, 2960, 3108, 3885, 3921, 4144, 4440, 5180, 5228, 6216, 6535, 7770, 7842, 8880, 9149, 10360, 10456, 12432, 13070, 15540, 15684, 18298, 19605, 20720, 20912, 26140, 27447, 31080, 31368, 36596, 39210, 45745, 48359, 52280, 54894, 62160, 62736, 73192, 78420, 91490, 96718, 104560, 109788, 137235, 145077, 146384, 156840, 182980, 193436, 219576, 241795, 274470, 290154, 313680, 338513, 365960, 386872, 439152, 483590, 548940, 580308, 677026, 725385, 731920, 773744, 967180, 1015539, 1097880, 1160616, 1354052, 1450770, 1692565, 1934360, 2031078, 2195760, 2321232, 2708104, 2901540, 3385130, 3868720, 4062156, 5077695, 5416208, 5803080, 6770260, 8124312, 10155390, 11606160, 13540520, 16248624, 20310780, 27081040, 40621560, 81243120]

約数ペア:

[(1, 81243120), (2, 40621560), (3, 27081040), (4, 20310780), (5, 16248624), (6, 13540520), (7, 11606160), (8, 10155390), (10, 8124312), (12, 6770260), (14, 5803080), (15, 5416208), (16, 5077695), (20, 4062156), (21, 3868720), (24, 3385130), (28, 2901540), (30, 2708104), (35, 2321232), (37, 2195760), (40, 2031078), (42, 1934360), (48, 1692565), (56, 1450770), (60, 1354052), (70, 1160616), (74, 1097880), (80, 1015539), (84, 967180), (105, 773744), (111, 731920), (112, 725385), (120, 677026), (140, 580308), (148, 548940), (168, 483590), (185, 439152), (210, 386872), (222, 365960), (240, 338513), (259, 313680), (280, 290154), (296, 274470), (336, 241795), (370, 219576), (420, 193436), (444, 182980), (518, 156840), (555, 146384), (560, 145077), (592, 137235), (740, 109788), (777, 104560), (840, 96718), (888, 91490), (1036, 78420), (1110, 73192), (1295, 62736), (1307, 62160), (1480, 54894), (1554, 52280), (1680, 48359), (1776, 45745), (2072, 39210), (2220, 36596), (2590, 31368), (2614, 31080), (2960, 27447), (3108, 26140), (3885, 20912), (3921, 20720), (4144, 19605), (4440, 18298), (5180, 15684), (5228, 15540), (6216, 13070), (6535, 12432), (7770, 10456), (7842, 10360), (8880, 9149)]