4288440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2776

約数の個数: 64

約数和(自身を含む): 13860000

約数和(自身を除く): 9571560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 2749, 5498, 8247, 10996, 13745, 16494, 21992, 27490, 32988, 35737, 41235, 54980, 65976, 71474, 82470, 107211, 109960, 142948, 164940, 178685, 214422, 285896, 329880, 357370, 428844, 536055, 714740, 857688, 1072110, 1429480, 2144220, 4288440]

約数ペア:

[(1, 4288440), (2, 2144220), (3, 1429480), (4, 1072110), (5, 857688), (6, 714740), (8, 536055), (10, 428844), (12, 357370), (13, 329880), (15, 285896), (20, 214422), (24, 178685), (26, 164940), (30, 142948), (39, 109960), (40, 107211), (52, 82470), (60, 71474), (65, 65976), (78, 54980), (104, 41235), (120, 35737), (130, 32988), (156, 27490), (195, 21992), (260, 16494), (312, 13745), (390, 10996), (520, 8247), (780, 5498), (1560, 2749)]