280014120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{777817}}^1$

素因数の和:777834

約数の個数: 48

約数和(自身を含む): 910047060

約数和(自身を除く): 630032940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 777817, 1555634, 2333451, 3111268, 3889085, 4666902, 6222536, 7000353, 7778170, 9333804, 11667255, 14000706, 15556340, 18667608, 23334510, 28001412, 31112680, 35001765, 46669020, 56002824, 70003530, 93338040, 140007060, 280014120]

約数ペア:

[(1, 280014120), (2, 140007060), (3, 93338040), (4, 70003530), (5, 56002824), (6, 46669020), (8, 35001765), (9, 31112680), (10, 28001412), (12, 23334510), (15, 18667608), (18, 15556340), (20, 14000706), (24, 11667255), (30, 9333804), (36, 7778170), (40, 7000353), (45, 6222536), (60, 4666902), (72, 3889085), (90, 3111268), (120, 2333451), (180, 1555634), (360, 777817)]