40107780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1367}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 122496192

約数和(自身を除く): 82388412

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, 1367, 1467, 1630, 1956, 2445, 2734, 2934, 3260, 4101, 4890, 5468, 5868, 6835, 7335, 8202, 9780, 12303, 13670, 14670, 16404, 20505, 24606, 27340, 29340, 41010, 49212, 61515, 82020, 123030, 222821, 246060, 445642, 668463, 891284, 1114105, 1336926, 2005389, 2228210, 2673852, 3342315, 4010778, 4456420, 6684630, 8021556, 10026945, 13369260, 20053890, 40107780]

約数ペア:

[(1, 40107780), (2, 20053890), (3, 13369260), (4, 10026945), (5, 8021556), (6, 6684630), (9, 4456420), (10, 4010778), (12, 3342315), (15, 2673852), (18, 2228210), (20, 2005389), (30, 1336926), (36, 1114105), (45, 891284), (60, 668463), (90, 445642), (163, 246060), (180, 222821), (326, 123030), (489, 82020), (652, 61515), (815, 49212), (978, 41010), (1367, 29340), (1467, 27340), (1630, 24606), (1956, 20505), (2445, 16404), (2734, 14670), (2934, 13670), (3260, 12303), (4101, 9780), (4890, 8202), (5468, 7335), (5868, 6835)]