65612960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8369}}^1$

素因数の和:8398

約数の個数: 72

約数和(自身を含む): 180340020

約数和(自身を除く): 114727060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8369, 16738, 33476, 41845, 58583, 66952, 83690, 117166, 133904, 167380, 234332, 267808, 292915, 334760, 410081, 468664, 585830, 669520, 820162, 937328, 1171660, 1339040, 1640324, 1874656, 2050405, 2343320, 3280648, 4100810, 4686640, 6561296, 8201620, 9373280, 13122592, 16403240, 32806480, 65612960]

約数ペア:

[(1, 65612960), (2, 32806480), (4, 16403240), (5, 13122592), (7, 9373280), (8, 8201620), (10, 6561296), (14, 4686640), (16, 4100810), (20, 3280648), (28, 2343320), (32, 2050405), (35, 1874656), (40, 1640324), (49, 1339040), (56, 1171660), (70, 937328), (80, 820162), (98, 669520), (112, 585830), (140, 468664), (160, 410081), (196, 334760), (224, 292915), (245, 267808), (280, 234332), (392, 167380), (490, 133904), (560, 117166), (784, 83690), (980, 66952), (1120, 58583), (1568, 41845), (1960, 33476), (3920, 16738), (7840, 8369)]