80212140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1776

約数の個数: 96

約数和(自身を含む): 252504000

約数和(自身を除く): 172291860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 89, 90, 108, 135, 178, 180, 267, 270, 356, 445, 534, 540, 801, 890, 1068, 1335, 1602, 1669, 1780, 2403, 2670, 3204, 3338, 4005, 4806, 5007, 5340, 6676, 8010, 8345, 9612, 10014, 12015, 15021, 16020, 16690, 20028, 24030, 25035, 30042, 33380, 45063, 48060, 50070, 60084, 75105, 90126, 100140, 148541, 150210, 180252, 225315, 297082, 300420, 445623, 450630, 594164, 742705, 891246, 901260, 1336869, 1485410, 1782492, 2228115, 2673738, 2970820, 4010607, 4456230, 5347476, 6684345, 8021214, 8912460, 13368690, 16042428, 20053035, 26737380, 40106070, 80212140]

約数ペア:

[(1, 80212140), (2, 40106070), (3, 26737380), (4, 20053035), (5, 16042428), (6, 13368690), (9, 8912460), (10, 8021214), (12, 6684345), (15, 5347476), (18, 4456230), (20, 4010607), (27, 2970820), (30, 2673738), (36, 2228115), (45, 1782492), (54, 1485410), (60, 1336869), (89, 901260), (90, 891246), (108, 742705), (135, 594164), (178, 450630), (180, 445623), (267, 300420), (270, 297082), (356, 225315), (445, 180252), (534, 150210), (540, 148541), (801, 100140), (890, 90126), (1068, 75105), (1335, 60084), (1602, 50070), (1669, 48060), (1780, 45063), (2403, 33380), (2670, 30042), (3204, 25035), (3338, 24030), (4005, 20028), (4806, 16690), (5007, 16020), (5340, 15021), (6676, 12015), (8010, 10014), (8345, 9612)]