77855820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185371}}^1$

素因数の和:185390

約数の個数: 48

約数和(自身を含む): 249139968

約数和(自身を除く): 171284148

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, 185371, 370742, 556113, 741484, 926855, 1112226, 1297597, 1853710, 2224452, 2595194, 2780565, 3707420, 3892791, 5190388, 5561130, 6487985, 7785582, 11122260, 12975970, 15571164, 19463955, 25951940, 38927910, 77855820]

約数ペア:

[(1, 77855820), (2, 38927910), (3, 25951940), (4, 19463955), (5, 15571164), (6, 12975970), (7, 11122260), (10, 7785582), (12, 6487985), (14, 5561130), (15, 5190388), (20, 3892791), (21, 3707420), (28, 2780565), (30, 2595194), (35, 2224452), (42, 1853710), (60, 1297597), (70, 1112226), (84, 926855), (105, 741484), (140, 556113), (210, 370742), (420, 185371)]