73128020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8563}}^1$

素因数の和:8640

約数の個数: 48

約数和(自身を含む): 178405248

約数和(自身を除く): 105277228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 8563, 17126, 34252, 42815, 59941, 85630, 119882, 171260, 239764, 299705, 522343, 599410, 1044686, 1198820, 2089372, 2611715, 3656401, 5223430, 7312802, 10446860, 14625604, 18282005, 36564010, 73128020]

約数ペア:

[(1, 73128020), (2, 36564010), (4, 18282005), (5, 14625604), (7, 10446860), (10, 7312802), (14, 5223430), (20, 3656401), (28, 2611715), (35, 2089372), (61, 1198820), (70, 1044686), (122, 599410), (140, 522343), (244, 299705), (305, 239764), (427, 171260), (610, 119882), (854, 85630), (1220, 59941), (1708, 42815), (2135, 34252), (4270, 17126), (8540, 8563)]