253456280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7481}}^1$

素因数の和:7521

約数の個数: 96

約数和(自身を含む): 716476320

約数和(自身を除く): 463020040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 847, 968, 1210, 1540, 1694, 2420, 3080, 3388, 4235, 4840, 6776, 7481, 8470, 14962, 16940, 29924, 33880, 37405, 52367, 59848, 74810, 82291, 104734, 149620, 164582, 209468, 261835, 299240, 329164, 411455, 418936, 523670, 576037, 658328, 822910, 905201, 1047340, 1152074, 1645820, 1810402, 2094680, 2304148, 2880185, 3291640, 3620804, 4526005, 4608296, 5760370, 6336407, 7241608, 9052010, 11520740, 12672814, 18104020, 23041480, 25345628, 31682035, 36208040, 50691256, 63364070, 126728140, 253456280]

約数ペア:

[(1, 253456280), (2, 126728140), (4, 63364070), (5, 50691256), (7, 36208040), (8, 31682035), (10, 25345628), (11, 23041480), (14, 18104020), (20, 12672814), (22, 11520740), (28, 9052010), (35, 7241608), (40, 6336407), (44, 5760370), (55, 4608296), (56, 4526005), (70, 3620804), (77, 3291640), (88, 2880185), (110, 2304148), (121, 2094680), (140, 1810402), (154, 1645820), (220, 1152074), (242, 1047340), (280, 905201), (308, 822910), (385, 658328), (440, 576037), (484, 523670), (605, 418936), (616, 411455), (770, 329164), (847, 299240), (968, 261835), (1210, 209468), (1540, 164582), (1694, 149620), (2420, 104734), (3080, 82291), (3388, 74810), (4235, 59848), (4840, 52367), (6776, 37405), (7481, 33880), (8470, 29924), (14962, 16940)]