721551780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9613}}^1$

素因数の和:9770

約数の個数: 96

約数和(自身を含む): 2261212800

約数和(自身を除く): 1539661020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 270, 278, 417, 540, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 3753, 4170, 5004, 6255, 7506, 8340, 9613, 12510, 15012, 18765, 19226, 25020, 28839, 37530, 38452, 48065, 57678, 75060, 86517, 96130, 115356, 144195, 173034, 192260, 259551, 288390, 346068, 432585, 519102, 576780, 865170, 1038204, 1297755, 1336207, 1730340, 2595510, 2672414, 4008621, 5191020, 5344828, 6681035, 8017242, 12025863, 13362070, 16034484, 20043105, 24051726, 26724140, 36077589, 40086210, 48103452, 60129315, 72155178, 80172420, 120258630, 144310356, 180387945, 240517260, 360775890, 721551780]

約数ペア:

[(1, 721551780), (2, 360775890), (3, 240517260), (4, 180387945), (5, 144310356), (6, 120258630), (9, 80172420), (10, 72155178), (12, 60129315), (15, 48103452), (18, 40086210), (20, 36077589), (27, 26724140), (30, 24051726), (36, 20043105), (45, 16034484), (54, 13362070), (60, 12025863), (90, 8017242), (108, 6681035), (135, 5344828), (139, 5191020), (180, 4008621), (270, 2672414), (278, 2595510), (417, 1730340), (540, 1336207), (556, 1297755), (695, 1038204), (834, 865170), (1251, 576780), (1390, 519102), (1668, 432585), (2085, 346068), (2502, 288390), (2780, 259551), (3753, 192260), (4170, 173034), (5004, 144195), (6255, 115356), (7506, 96130), (8340, 86517), (9613, 75060), (12510, 57678), (15012, 48065), (18765, 38452), (19226, 37530), (25020, 28839)]