261507030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{463}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 640631808

約数和(自身を除く): 379124778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 281, 335, 402, 463, 562, 670, 843, 926, 1005, 1389, 1405, 1686, 2010, 2315, 2778, 2810, 4215, 4630, 6945, 8430, 13890, 18827, 31021, 37654, 56481, 62042, 93063, 94135, 112962, 130103, 155105, 186126, 188270, 260206, 282405, 310210, 390309, 465315, 564810, 650515, 780618, 930630, 1301030, 1951545, 3903090, 8716901, 17433802, 26150703, 43584505, 52301406, 87169010, 130753515, 261507030]

約数ペア:

[(1, 261507030), (2, 130753515), (3, 87169010), (5, 52301406), (6, 43584505), (10, 26150703), (15, 17433802), (30, 8716901), (67, 3903090), (134, 1951545), (201, 1301030), (281, 930630), (335, 780618), (402, 650515), (463, 564810), (562, 465315), (670, 390309), (843, 310210), (926, 282405), (1005, 260206), (1389, 188270), (1405, 186126), (1686, 155105), (2010, 130103), (2315, 112962), (2778, 94135), (2810, 93063), (4215, 62042), (4630, 56481), (6945, 37654), (8430, 31021), (13890, 18827)]