81352920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61631}}^1$

素因数の和:61656

約数の個数: 64

約数和(自身を含む): 266250240

約数和(自身を除く): 184897320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61631, 123262, 184893, 246524, 308155, 369786, 493048, 616310, 677941, 739572, 924465, 1232620, 1355882, 1479144, 1848930, 2033823, 2465240, 2711764, 3389705, 3697860, 4067646, 5423528, 6779410, 7395720, 8135292, 10169115, 13558820, 16270584, 20338230, 27117640, 40676460, 81352920]

約数ペア:

[(1, 81352920), (2, 40676460), (3, 27117640), (4, 20338230), (5, 16270584), (6, 13558820), (8, 10169115), (10, 8135292), (11, 7395720), (12, 6779410), (15, 5423528), (20, 4067646), (22, 3697860), (24, 3389705), (30, 2711764), (33, 2465240), (40, 2033823), (44, 1848930), (55, 1479144), (60, 1355882), (66, 1232620), (88, 924465), (110, 739572), (120, 677941), (132, 616310), (165, 493048), (220, 369786), (264, 308155), (330, 246524), (440, 184893), (660, 123262), (1320, 61631)]