66915540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4177}}^1$

素因数の和:4281

約数の個数: 72

約数和(自身を含む): 205306920

約数和(自身を除く): 138391380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4177, 5340, 8010, 8354, 12531, 16020, 16708, 20885, 25062, 37593, 41770, 50124, 62655, 75186, 83540, 125310, 150372, 187965, 250620, 371753, 375930, 743506, 751860, 1115259, 1487012, 1858765, 2230518, 3345777, 3717530, 4461036, 5576295, 6691554, 7435060, 11152590, 13383108, 16728885, 22305180, 33457770, 66915540]

約数ペア:

[(1, 66915540), (2, 33457770), (3, 22305180), (4, 16728885), (5, 13383108), (6, 11152590), (9, 7435060), (10, 6691554), (12, 5576295), (15, 4461036), (18, 3717530), (20, 3345777), (30, 2230518), (36, 1858765), (45, 1487012), (60, 1115259), (89, 751860), (90, 743506), (178, 375930), (180, 371753), (267, 250620), (356, 187965), (445, 150372), (534, 125310), (801, 83540), (890, 75186), (1068, 62655), (1335, 50124), (1602, 41770), (1780, 37593), (2670, 25062), (3204, 20885), (4005, 16708), (4177, 16020), (5340, 12531), (8010, 8354)]