61361720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31307}}^1$

素因数の和:31332

約数の個数: 48

約数和(自身を含む): 160610040

約数和(自身を除く): 99248320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 31307, 62614, 125228, 156535, 219149, 250456, 313070, 438298, 626140, 876596, 1095745, 1252280, 1534043, 1753192, 2191490, 3068086, 4382980, 6136172, 7670215, 8765960, 12272344, 15340430, 30680860, 61361720]

約数ペア:

[(1, 61361720), (2, 30680860), (4, 15340430), (5, 12272344), (7, 8765960), (8, 7670215), (10, 6136172), (14, 4382980), (20, 3068086), (28, 2191490), (35, 1753192), (40, 1534043), (49, 1252280), (56, 1095745), (70, 876596), (98, 626140), (140, 438298), (196, 313070), (245, 250456), (280, 219149), (392, 156535), (490, 125228), (980, 62614), (1960, 31307)]