27780690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 76640256

約数和(自身を除く): 48859566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 263, 503, 526, 789, 1006, 1315, 1509, 1578, 1841, 2515, 2630, 3018, 3521, 3682, 3945, 5030, 5523, 7042, 7545, 7890, 9205, 10563, 11046, 15090, 17605, 18410, 21126, 27615, 35210, 52815, 55230, 105630, 132289, 264578, 396867, 661445, 793734, 926023, 1322890, 1852046, 1984335, 2778069, 3968670, 4630115, 5556138, 9260230, 13890345, 27780690]

約数ペア:

[(1, 27780690), (2, 13890345), (3, 9260230), (5, 5556138), (6, 4630115), (7, 3968670), (10, 2778069), (14, 1984335), (15, 1852046), (21, 1322890), (30, 926023), (35, 793734), (42, 661445), (70, 396867), (105, 264578), (210, 132289), (263, 105630), (503, 55230), (526, 52815), (789, 35210), (1006, 27615), (1315, 21126), (1509, 18410), (1578, 17605), (1841, 15090), (2515, 11046), (2630, 10563), (3018, 9205), (3521, 7890), (3682, 7545), (3945, 7042), (5030, 5523)]