39968880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 160

約数和(自身を含む): 145657344

約数和(自身を除く): 105688464

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, 643, 740, 777, 840, 888, 1036, 1110, 1286, 1295, 1480, 1554, 1680, 1776, 1929, 2072, 2220, 2572, 2590, 2960, 3108, 3215, 3858, 3885, 4144, 4440, 4501, 5144, 5180, 6216, 6430, 7716, 7770, 8880, 9002, 9645, 10288, 10360, 12432, 12860, 13503, 15432, 15540, 18004, 19290, 20720, 22505, 23791, 25720, 27006, 30864, 31080, 36008, 38580, 45010, 47582, 51440, 54012, 62160, 67515, 71373, 72016, 77160, 90020, 95164, 108024, 118955, 135030, 142746, 154320, 166537, 180040, 190328, 216048, 237910, 270060, 285492, 333074, 356865, 360080, 380656, 475820, 499611, 540120, 570984, 666148, 713730, 832685, 951640, 999222, 1080240, 1141968, 1332296, 1427460, 1665370, 1903280, 1998444, 2498055, 2664592, 2854920, 3330740, 3996888, 4996110, 5709840, 6661480, 7993776, 9992220, 13322960, 19984440, 39968880]

約数ペア:

[(1, 39968880), (2, 19984440), (3, 13322960), (4, 9992220), (5, 7993776), (6, 6661480), (7, 5709840), (8, 4996110), (10, 3996888), (12, 3330740), (14, 2854920), (15, 2664592), (16, 2498055), (20, 1998444), (21, 1903280), (24, 1665370), (28, 1427460), (30, 1332296), (35, 1141968), (37, 1080240), (40, 999222), (42, 951640), (48, 832685), (56, 713730), (60, 666148), (70, 570984), (74, 540120), (80, 499611), (84, 475820), (105, 380656), (111, 360080), (112, 356865), (120, 333074), (140, 285492), (148, 270060), (168, 237910), (185, 216048), (210, 190328), (222, 180040), (240, 166537), (259, 154320), (280, 142746), (296, 135030), (336, 118955), (370, 108024), (420, 95164), (444, 90020), (518, 77160), (555, 72016), (560, 71373), (592, 67515), (643, 62160), (740, 54012), (777, 51440), (840, 47582), (888, 45010), (1036, 38580), (1110, 36008), (1286, 31080), (1295, 30864), (1480, 27006), (1554, 25720), (1680, 23791), (1776, 22505), (1929, 20720), (2072, 19290), (2220, 18004), (2572, 15540), (2590, 15432), (2960, 13503), (3108, 12860), (3215, 12432), (3858, 10360), (3885, 10288), (4144, 9645), (4440, 9002), (4501, 8880), (5144, 7770), (5180, 7716), (6216, 6430)]