61480980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31051}}^1$

素因数の和:31077

約数の個数: 72

約数和(自身を含む): 203452704

約数和(自身を除く): 141971724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 31051, 62102, 93153, 124204, 155255, 186306, 279459, 310510, 341561, 372612, 465765, 558918, 621020, 683122, 931530, 1024683, 1117836, 1366244, 1397295, 1707805, 1863060, 2049366, 2794590, 3074049, 3415610, 4098732, 5123415, 5589180, 6148098, 6831220, 10246830, 12296196, 15370245, 20493660, 30740490, 61480980]

約数ペア:

[(1, 61480980), (2, 30740490), (3, 20493660), (4, 15370245), (5, 12296196), (6, 10246830), (9, 6831220), (10, 6148098), (11, 5589180), (12, 5123415), (15, 4098732), (18, 3415610), (20, 3074049), (22, 2794590), (30, 2049366), (33, 1863060), (36, 1707805), (44, 1397295), (45, 1366244), (55, 1117836), (60, 1024683), (66, 931530), (90, 683122), (99, 621020), (110, 558918), (132, 465765), (165, 372612), (180, 341561), (198, 310510), (220, 279459), (330, 186306), (396, 155255), (495, 124204), (660, 93153), (990, 62102), (1980, 31051)]