78879780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62603}}^1$

素因数の和:62625

約数の個数: 72

約数和(自身を含む): 273454272

約数和(自身を除く): 194574492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62603, 125206, 187809, 250412, 313015, 375618, 438221, 563427, 626030, 751236, 876442, 939045, 1126854, 1252060, 1314663, 1752884, 1878090, 2191105, 2253708, 2629326, 2817135, 3756180, 3943989, 4382210, 5258652, 5634270, 6573315, 7887978, 8764420, 11268540, 13146630, 15775956, 19719945, 26293260, 39439890, 78879780]

約数ペア:

[(1, 78879780), (2, 39439890), (3, 26293260), (4, 19719945), (5, 15775956), (6, 13146630), (7, 11268540), (9, 8764420), (10, 7887978), (12, 6573315), (14, 5634270), (15, 5258652), (18, 4382210), (20, 3943989), (21, 3756180), (28, 2817135), (30, 2629326), (35, 2253708), (36, 2191105), (42, 1878090), (45, 1752884), (60, 1314663), (63, 1252060), (70, 1126854), (84, 939045), (90, 876442), (105, 751236), (126, 626030), (140, 563427), (180, 438221), (210, 375618), (252, 313015), (315, 250412), (420, 187809), (630, 125206), (1260, 62603)]