320987280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1337447}}^1$

素因数の和:1337463

約数の個数: 40

約数和(自身を含む): 995061312

約数和(自身を除く): 674074032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1337447, 2674894, 4012341, 5349788, 6687235, 8024682, 10699576, 13374470, 16049364, 20061705, 21399152, 26748940, 32098728, 40123410, 53497880, 64197456, 80246820, 106995760, 160493640, 320987280]

約数ペア:

[(1, 320987280), (2, 160493640), (3, 106995760), (4, 80246820), (5, 64197456), (6, 53497880), (8, 40123410), (10, 32098728), (12, 26748940), (15, 21399152), (16, 20061705), (20, 16049364), (24, 13374470), (30, 10699576), (40, 8024682), (48, 6687235), (60, 5349788), (80, 4012341), (120, 2674894), (240, 1337447)]