76782780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2617}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 234426192

約数和(自身を除く): 157643412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2617, 2934, 3260, 4890, 5234, 5868, 7335, 7851, 9780, 10468, 13085, 14670, 15702, 23553, 26170, 29340, 31404, 39255, 47106, 52340, 78510, 94212, 117765, 157020, 235530, 426571, 471060, 853142, 1279713, 1706284, 2132855, 2559426, 3839139, 4265710, 5118852, 6398565, 7678278, 8531420, 12797130, 15356556, 19195695, 25594260, 38391390, 76782780]

約数ペア:

[(1, 76782780), (2, 38391390), (3, 25594260), (4, 19195695), (5, 15356556), (6, 12797130), (9, 8531420), (10, 7678278), (12, 6398565), (15, 5118852), (18, 4265710), (20, 3839139), (30, 2559426), (36, 2132855), (45, 1706284), (60, 1279713), (90, 853142), (163, 471060), (180, 426571), (326, 235530), (489, 157020), (652, 117765), (815, 94212), (978, 78510), (1467, 52340), (1630, 47106), (1956, 39255), (2445, 31404), (2617, 29340), (2934, 26170), (3260, 23553), (4890, 15702), (5234, 14670), (5868, 13085), (7335, 10468), (7851, 9780)]