81225810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31121}}^1$

素因数の和:31163

約数の個数: 48

約数和(自身を含む): 218476440

約数和(自身を除く): 137250630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 31121, 62242, 93363, 155605, 186726, 280089, 311210, 466815, 560178, 902509, 933630, 1400445, 1805018, 2707527, 2800890, 4512545, 5415054, 8122581, 9025090, 13537635, 16245162, 27075270, 40612905, 81225810]

約数ペア:

[(1, 81225810), (2, 40612905), (3, 27075270), (5, 16245162), (6, 13537635), (9, 9025090), (10, 8122581), (15, 5415054), (18, 4512545), (29, 2800890), (30, 2707527), (45, 1805018), (58, 1400445), (87, 933630), (90, 902509), (145, 560178), (174, 466815), (261, 311210), (290, 280089), (435, 186726), (522, 155605), (870, 93363), (1305, 62242), (2610, 31121)]