78464340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{435913}}^1$

素因数の和:435928

約数の個数: 36

約数和(自身を含む): 238009044

約数和(自身を除く): 159544704

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 435913, 871826, 1307739, 1743652, 2179565, 2615478, 3923217, 4359130, 5230956, 6538695, 7846434, 8718260, 13077390, 15692868, 19616085, 26154780, 39232170, 78464340]

約数ペア:

[(1, 78464340), (2, 39232170), (3, 26154780), (4, 19616085), (5, 15692868), (6, 13077390), (9, 8718260), (10, 7846434), (12, 6538695), (15, 5230956), (18, 4359130), (20, 3923217), (30, 2615478), (36, 2179565), (45, 1743652), (60, 1307739), (90, 871826), (180, 435913)]