81434040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18341}}^1$

素因数の和:18392

約数の個数: 64

約数和(自身を含む): 250918560

約数和(自身を除く): 169484520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 18341, 36682, 55023, 73364, 91705, 110046, 146728, 183410, 220092, 275115, 366820, 440184, 550230, 678617, 733640, 1100460, 1357234, 2035851, 2200920, 2714468, 3393085, 4071702, 5428936, 6786170, 8143404, 10179255, 13572340, 16286808, 20358510, 27144680, 40717020, 81434040]

約数ペア:

[(1, 81434040), (2, 40717020), (3, 27144680), (4, 20358510), (5, 16286808), (6, 13572340), (8, 10179255), (10, 8143404), (12, 6786170), (15, 5428936), (20, 4071702), (24, 3393085), (30, 2714468), (37, 2200920), (40, 2035851), (60, 1357234), (74, 1100460), (111, 733640), (120, 678617), (148, 550230), (185, 440184), (222, 366820), (296, 275115), (370, 220092), (444, 183410), (555, 146728), (740, 110046), (888, 91705), (1110, 73364), (1480, 55023), (2220, 36682), (4440, 18341)]