61243980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{145819}}^1$

素因数の和:145838

約数の個数: 48

約数和(自身を含む): 195982080

約数和(自身を除く): 134738100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 145819, 291638, 437457, 583276, 729095, 874914, 1020733, 1458190, 1749828, 2041466, 2187285, 2916380, 3062199, 4082932, 4374570, 5103665, 6124398, 8749140, 10207330, 12248796, 15310995, 20414660, 30621990, 61243980]

約数ペア:

[(1, 61243980), (2, 30621990), (3, 20414660), (4, 15310995), (5, 12248796), (6, 10207330), (7, 8749140), (10, 6124398), (12, 5103665), (14, 4374570), (15, 4082932), (20, 3062199), (21, 2916380), (28, 2187285), (30, 2041466), (35, 1749828), (42, 1458190), (60, 1020733), (70, 874914), (84, 729095), (105, 583276), (140, 437457), (210, 291638), (420, 145819)]