261437670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:974

約数の個数: 96

約数和(自身を含む): 735134400

約数和(自身を除く): 473696730

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 439, 509, 585, 878, 1018, 1170, 1317, 1527, 2195, 2545, 2634, 3054, 3951, 4390, 4581, 5090, 5707, 6585, 6617, 7635, 7902, 9162, 11414, 13170, 13234, 15270, 17121, 19755, 19851, 22905, 28535, 33085, 34242, 39510, 39702, 45810, 51363, 57070, 59553, 66170, 85605, 99255, 102726, 119106, 171210, 198510, 223451, 256815, 297765, 446902, 513630, 595530, 670353, 1117255, 1340706, 2011059, 2234510, 2904863, 3351765, 4022118, 5809726, 6703530, 8714589, 10055295, 14524315, 17429178, 20110590, 26143767, 29048630, 43572945, 52287534, 87145890, 130718835, 261437670]

約数ペア:

[(1, 261437670), (2, 130718835), (3, 87145890), (5, 52287534), (6, 43572945), (9, 29048630), (10, 26143767), (13, 20110590), (15, 17429178), (18, 14524315), (26, 10055295), (30, 8714589), (39, 6703530), (45, 5809726), (65, 4022118), (78, 3351765), (90, 2904863), (117, 2234510), (130, 2011059), (195, 1340706), (234, 1117255), (390, 670353), (439, 595530), (509, 513630), (585, 446902), (878, 297765), (1018, 256815), (1170, 223451), (1317, 198510), (1527, 171210), (2195, 119106), (2545, 102726), (2634, 99255), (3054, 85605), (3951, 66170), (4390, 59553), (4581, 57070), (5090, 51363), (5707, 45810), (6585, 39702), (6617, 39510), (7635, 34242), (7902, 33085), (9162, 28535), (11414, 22905), (13170, 19851), (13234, 19755), (15270, 17121)]