72861040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18587}}^1$

素因数の和:18614

約数の個数: 60

約数和(自身を含む): 197069976

約数和(自身を除く): 124208936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18587, 37174, 74348, 92935, 130109, 148696, 185870, 260218, 297392, 371740, 520436, 650545, 743480, 910763, 1040872, 1301090, 1486960, 1821526, 2081744, 2602180, 3643052, 4553815, 5204360, 7286104, 9107630, 10408720, 14572208, 18215260, 36430520, 72861040]

約数ペア:

[(1, 72861040), (2, 36430520), (4, 18215260), (5, 14572208), (7, 10408720), (8, 9107630), (10, 7286104), (14, 5204360), (16, 4553815), (20, 3643052), (28, 2602180), (35, 2081744), (40, 1821526), (49, 1486960), (56, 1301090), (70, 1040872), (80, 910763), (98, 743480), (112, 650545), (140, 520436), (196, 371740), (245, 297392), (280, 260218), (392, 185870), (490, 148696), (560, 130109), (784, 92935), (980, 74348), (1960, 37174), (3920, 18587)]