249534840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122321}}^1$

素因数の和:122352

約数の個数: 64

約数和(自身を含む): 792646560

約数和(自身を除く): 543111720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 122321, 244642, 366963, 489284, 611605, 733926, 978568, 1223210, 1467852, 1834815, 2079457, 2446420, 2935704, 3669630, 4158914, 4892840, 6238371, 7339260, 8317828, 10397285, 12476742, 14678520, 16635656, 20794570, 24953484, 31191855, 41589140, 49906968, 62383710, 83178280, 124767420, 249534840]

約数ペア:

[(1, 249534840), (2, 124767420), (3, 83178280), (4, 62383710), (5, 49906968), (6, 41589140), (8, 31191855), (10, 24953484), (12, 20794570), (15, 16635656), (17, 14678520), (20, 12476742), (24, 10397285), (30, 8317828), (34, 7339260), (40, 6238371), (51, 4892840), (60, 4158914), (68, 3669630), (85, 2935704), (102, 2446420), (120, 2079457), (136, 1834815), (170, 1467852), (204, 1223210), (255, 978568), (340, 733926), (408, 611605), (510, 489284), (680, 366963), (1020, 244642), (2040, 122321)]