31988460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{76163}}^1$

素因数の和:76182

約数の個数: 48

約数和(自身を含む): 102364416

約数和(自身を除く): 70375956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 76163, 152326, 228489, 304652, 380815, 456978, 533141, 761630, 913956, 1066282, 1142445, 1523260, 1599423, 2132564, 2284890, 2665705, 3198846, 4569780, 5331410, 6397692, 7997115, 10662820, 15994230, 31988460]

約数ペア:

[(1, 31988460), (2, 15994230), (3, 10662820), (4, 7997115), (5, 6397692), (6, 5331410), (7, 4569780), (10, 3198846), (12, 2665705), (14, 2284890), (15, 2132564), (20, 1599423), (21, 1523260), (28, 1142445), (30, 1066282), (35, 913956), (42, 761630), (60, 533141), (70, 456978), (84, 380815), (105, 304652), (140, 228489), (210, 152326), (420, 76163)]