787980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 2306304

約数和(自身を除く): 1518324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 571, 690, 1142, 1380, 1713, 2284, 2855, 3426, 5710, 6852, 8565, 11420, 13133, 17130, 26266, 34260, 39399, 52532, 65665, 78798, 131330, 157596, 196995, 262660, 393990, 787980]

約数ペア:

[(1, 787980), (2, 393990), (3, 262660), (4, 196995), (5, 157596), (6, 131330), (10, 78798), (12, 65665), (15, 52532), (20, 39399), (23, 34260), (30, 26266), (46, 17130), (60, 13133), (69, 11420), (92, 8565), (115, 6852), (138, 5710), (230, 3426), (276, 2855), (345, 2284), (460, 1713), (571, 1380), (690, 1142)]