2879770880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{321403}}^1$

素因数の和:321431

約数の個数: 72

約数和(自身を含む): 7883397312

約数和(自身を除く): 5003626432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 321403, 642806, 1285612, 1607015, 2249821, 2571224, 3214030, 4499642, 5142448, 6428060, 8999284, 10284896, 11249105, 12856120, 17998568, 20569792, 22498210, 25712240, 35997136, 41139584, 44996420, 51424480, 71994272, 82279168, 89992840, 102848960, 143988544, 179985680, 205697920, 287977088, 359971360, 411395840, 575954176, 719942720, 1439885440, 2879770880]

約数ペア:

[(1, 2879770880), (2, 1439885440), (4, 719942720), (5, 575954176), (7, 411395840), (8, 359971360), (10, 287977088), (14, 205697920), (16, 179985680), (20, 143988544), (28, 102848960), (32, 89992840), (35, 82279168), (40, 71994272), (56, 51424480), (64, 44996420), (70, 41139584), (80, 35997136), (112, 25712240), (128, 22498210), (140, 20569792), (160, 17998568), (224, 12856120), (256, 11249105), (280, 10284896), (320, 8999284), (448, 6428060), (560, 5142448), (640, 4499642), (896, 3214030), (1120, 2571224), (1280, 2249821), (1792, 1607015), (2240, 1285612), (4480, 642806), (8960, 321403)]