61809840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{85847}}^1$

素因数の和:85866

約数の個数: 60

約数和(自身を含む): 207580464

約数和(自身を除く): 145770624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 85847, 171694, 257541, 343388, 429235, 515082, 686776, 772623, 858470, 1030164, 1287705, 1373552, 1545246, 1716940, 2060328, 2575410, 3090492, 3433880, 3863115, 4120656, 5150820, 6180984, 6867760, 7726230, 10301640, 12361968, 15452460, 20603280, 30904920, 61809840]

約数ペア:

[(1, 61809840), (2, 30904920), (3, 20603280), (4, 15452460), (5, 12361968), (6, 10301640), (8, 7726230), (9, 6867760), (10, 6180984), (12, 5150820), (15, 4120656), (16, 3863115), (18, 3433880), (20, 3090492), (24, 2575410), (30, 2060328), (36, 1716940), (40, 1545246), (45, 1373552), (48, 1287705), (60, 1030164), (72, 858470), (80, 772623), (90, 686776), (120, 515082), (144, 429235), (180, 343388), (240, 257541), (360, 171694), (720, 85847)]