254976640

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7517}}^1$

素因数の和:7589

約数の個数: 64

約数和(自身を含む): 621137160

約数和(自身を除く): 366160520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 6784, 7517, 8480, 15034, 16960, 30068, 33920, 37585, 60136, 75170, 120272, 150340, 240544, 300680, 398401, 481088, 601360, 796802, 962176, 1202720, 1593604, 1992005, 2405440, 3187208, 3984010, 4810880, 6374416, 7968020, 12748832, 15936040, 25497664, 31872080, 50995328, 63744160, 127488320, 254976640]

約数ペア:

[(1, 254976640), (2, 127488320), (4, 63744160), (5, 50995328), (8, 31872080), (10, 25497664), (16, 15936040), (20, 12748832), (32, 7968020), (40, 6374416), (53, 4810880), (64, 3984010), (80, 3187208), (106, 2405440), (128, 1992005), (160, 1593604), (212, 1202720), (265, 962176), (320, 796802), (424, 601360), (530, 481088), (640, 398401), (848, 300680), (1060, 240544), (1696, 150340), (2120, 120272), (3392, 75170), (4240, 60136), (6784, 37585), (7517, 33920), (8480, 30068), (15034, 16960)]