81555210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7489}}^1$

素因数の和:7524

約数の個数: 72

約数和(自身を含む): 233103780

約数和(自身を除く): 151548570

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 7489, 10890, 14978, 22467, 37445, 44934, 67401, 74890, 82379, 112335, 134802, 164758, 224670, 247137, 337005, 411895, 494274, 674010, 741411, 823790, 906169, 1235685, 1482822, 1812338, 2471370, 2718507, 3707055, 4530845, 5437014, 7414110, 8155521, 9061690, 13592535, 16311042, 27185070, 40777605, 81555210]

約数ペア:

[(1, 81555210), (2, 40777605), (3, 27185070), (5, 16311042), (6, 13592535), (9, 9061690), (10, 8155521), (11, 7414110), (15, 5437014), (18, 4530845), (22, 3707055), (30, 2718507), (33, 2471370), (45, 1812338), (55, 1482822), (66, 1235685), (90, 906169), (99, 823790), (110, 741411), (121, 674010), (165, 494274), (198, 411895), (242, 337005), (330, 247137), (363, 224670), (495, 164758), (605, 134802), (726, 112335), (990, 82379), (1089, 74890), (1210, 67401), (1815, 44934), (2178, 37445), (3630, 22467), (5445, 14978), (7489, 10890)]