281815680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3967}}^1$

素因数の和:4026

約数の個数: 128

約数和(自身を含む): 922798080

約数和(自身を除く): 640982400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 3967, 4440, 4736, 5920, 7104, 7934, 8880, 11840, 11901, 14208, 15868, 17760, 19835, 23680, 23802, 31736, 35520, 39670, 47604, 59505, 63472, 71040, 79340, 95208, 119010, 126944, 146779, 158680, 190416, 238020, 253888, 293558, 317360, 380832, 440337, 476040, 507776, 587116, 634720, 733895, 761664, 880674, 952080, 1174232, 1269440, 1467790, 1523328, 1761348, 1904160, 2201685, 2348464, 2538880, 2935580, 3522696, 3808320, 4403370, 4696928, 5871160, 7045392, 7616640, 8806740, 9393856, 11742320, 14090784, 17613480, 18787712, 23484640, 28181568, 35226960, 46969280, 56363136, 70453920, 93938560, 140907840, 281815680]

約数ペア:

[(1, 281815680), (2, 140907840), (3, 93938560), (4, 70453920), (5, 56363136), (6, 46969280), (8, 35226960), (10, 28181568), (12, 23484640), (15, 18787712), (16, 17613480), (20, 14090784), (24, 11742320), (30, 9393856), (32, 8806740), (37, 7616640), (40, 7045392), (48, 5871160), (60, 4696928), (64, 4403370), (74, 3808320), (80, 3522696), (96, 2935580), (111, 2538880), (120, 2348464), (128, 2201685), (148, 1904160), (160, 1761348), (185, 1523328), (192, 1467790), (222, 1269440), (240, 1174232), (296, 952080), (320, 880674), (370, 761664), (384, 733895), (444, 634720), (480, 587116), (555, 507776), (592, 476040), (640, 440337), (740, 380832), (888, 317360), (960, 293558), (1110, 253888), (1184, 238020), (1480, 190416), (1776, 158680), (1920, 146779), (2220, 126944), (2368, 119010), (2960, 95208), (3552, 79340), (3967, 71040), (4440, 63472), (4736, 59505), (5920, 47604), (7104, 39670), (7934, 35520), (8880, 31736), (11840, 23802), (11901, 23680), (14208, 19835), (15868, 17760)]