78247980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3847}}^1$

素因数の和:3975

約数の個数: 72

約数和(自身を含む): 239514912

約数和(自身を除く): 161266932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1695, 2034, 2260, 3390, 3847, 4068, 5085, 6780, 7694, 10170, 11541, 15388, 19235, 20340, 23082, 34623, 38470, 46164, 57705, 69246, 76940, 115410, 138492, 173115, 230820, 346230, 434711, 692460, 869422, 1304133, 1738844, 2173555, 2608266, 3912399, 4347110, 5216532, 6520665, 7824798, 8694220, 13041330, 15649596, 19561995, 26082660, 39123990, 78247980]

約数ペア:

[(1, 78247980), (2, 39123990), (3, 26082660), (4, 19561995), (5, 15649596), (6, 13041330), (9, 8694220), (10, 7824798), (12, 6520665), (15, 5216532), (18, 4347110), (20, 3912399), (30, 2608266), (36, 2173555), (45, 1738844), (60, 1304133), (90, 869422), (113, 692460), (180, 434711), (226, 346230), (339, 230820), (452, 173115), (565, 138492), (678, 115410), (1017, 76940), (1130, 69246), (1356, 57705), (1695, 46164), (2034, 38470), (2260, 34623), (3390, 23082), (3847, 20340), (4068, 19235), (5085, 15388), (6780, 11541), (7694, 10170)]