72548420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 178640280

約数和(自身を除く): 106091860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 362, 409, 490, 724, 818, 905, 980, 1267, 1636, 1810, 2045, 2534, 2863, 3620, 4090, 5068, 5726, 6335, 8180, 8869, 11452, 12670, 14315, 17738, 20041, 25340, 28630, 35476, 40082, 44345, 57260, 74029, 80164, 88690, 100205, 148058, 177380, 200410, 296116, 370145, 400820, 518203, 740290, 1036406, 1480580, 2072812, 2591015, 3627421, 5182030, 7254842, 10364060, 14509684, 18137105, 36274210, 72548420]

約数ペア:

[(1, 72548420), (2, 36274210), (4, 18137105), (5, 14509684), (7, 10364060), (10, 7254842), (14, 5182030), (20, 3627421), (28, 2591015), (35, 2072812), (49, 1480580), (70, 1036406), (98, 740290), (140, 518203), (181, 400820), (196, 370145), (245, 296116), (362, 200410), (409, 177380), (490, 148058), (724, 100205), (818, 88690), (905, 80164), (980, 74029), (1267, 57260), (1636, 44345), (1810, 40082), (2045, 35476), (2534, 28630), (2863, 25340), (3620, 20041), (4090, 17738), (5068, 14315), (5726, 12670), (6335, 11452), (8180, 8869)]