78476220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{971}}^1$

素因数の和:1435

約数の個数: 72

約数和(自身を含む): 238820400

約数和(自身を除く): 160344180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 971, 1347, 1796, 1942, 2245, 2694, 2913, 3884, 4041, 4490, 4855, 5388, 5826, 6735, 8082, 8739, 8980, 9710, 11652, 13470, 14565, 16164, 17478, 19420, 20205, 26940, 29130, 34956, 40410, 43695, 58260, 80820, 87390, 174780, 435979, 871958, 1307937, 1743916, 2179895, 2615874, 3923811, 4359790, 5231748, 6539685, 7847622, 8719580, 13079370, 15695244, 19619055, 26158740, 39238110, 78476220]

約数ペア:

[(1, 78476220), (2, 39238110), (3, 26158740), (4, 19619055), (5, 15695244), (6, 13079370), (9, 8719580), (10, 7847622), (12, 6539685), (15, 5231748), (18, 4359790), (20, 3923811), (30, 2615874), (36, 2179895), (45, 1743916), (60, 1307937), (90, 871958), (180, 435979), (449, 174780), (898, 87390), (971, 80820), (1347, 58260), (1796, 43695), (1942, 40410), (2245, 34956), (2694, 29130), (2913, 26940), (3884, 20205), (4041, 19420), (4490, 17478), (4855, 16164), (5388, 14565), (5826, 13470), (6735, 11652), (8082, 9710), (8739, 8980)]