77854980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185369}}^1$

素因数の和:185388

約数の個数: 48

約数和(自身を含む): 249137280

約数和(自身を除く): 171282300

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, 185369, 370738, 556107, 741476, 926845, 1112214, 1297583, 1853690, 2224428, 2595166, 2780535, 3707380, 3892749, 5190332, 5561070, 6487915, 7785498, 11122140, 12975830, 15570996, 19463745, 25951660, 38927490, 77854980]

約数ペア:

[(1, 77854980), (2, 38927490), (3, 25951660), (4, 19463745), (5, 15570996), (6, 12975830), (7, 11122140), (10, 7785498), (12, 6487915), (14, 5561070), (15, 5190332), (20, 3892749), (21, 3707380), (28, 2780535), (30, 2595166), (35, 2224428), (42, 1853690), (60, 1297583), (70, 1112214), (84, 926845), (105, 741476), (140, 556107), (210, 370738), (420, 185369)]