30788190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20123}}^1$

素因数の和:20153

約数の個数: 48

約数和(自身を含む): 84762288

約数和(自身を除く): 53974098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20123, 40246, 60369, 100615, 120738, 181107, 201230, 301845, 342091, 362214, 603690, 684182, 905535, 1026273, 1710455, 1811070, 2052546, 3078819, 3420910, 5131365, 6157638, 10262730, 15394095, 30788190]

約数ペア:

[(1, 30788190), (2, 15394095), (3, 10262730), (5, 6157638), (6, 5131365), (9, 3420910), (10, 3078819), (15, 2052546), (17, 1811070), (18, 1710455), (30, 1026273), (34, 905535), (45, 684182), (51, 603690), (85, 362214), (90, 342091), (102, 301845), (153, 201230), (170, 181107), (255, 120738), (306, 100615), (510, 60369), (765, 40246), (1530, 20123)]