72516640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64747}}^1$

素因数の和:64769

約数の個数: 48

約数和(自身を含む): 195797952

約数和(自身を除く): 123281312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64747, 129494, 258988, 323735, 453229, 517976, 647470, 906458, 1035952, 1294940, 1812916, 2071904, 2266145, 2589880, 3625832, 4532290, 5179760, 7251664, 9064580, 10359520, 14503328, 18129160, 36258320, 72516640]

約数ペア:

[(1, 72516640), (2, 36258320), (4, 18129160), (5, 14503328), (7, 10359520), (8, 9064580), (10, 7251664), (14, 5179760), (16, 4532290), (20, 3625832), (28, 2589880), (32, 2266145), (35, 2071904), (40, 1812916), (56, 1294940), (70, 1035952), (80, 906458), (112, 647470), (140, 517976), (160, 453229), (224, 323735), (280, 258988), (560, 129494), (1120, 64747)]