87278520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103903}}^1$

素因数の和:103924

約数の個数: 64

約数和(自身を含む): 299243520

約数和(自身を除く): 211965000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 103903, 207806, 311709, 415612, 519515, 623418, 727321, 831224, 1039030, 1246836, 1454642, 1558545, 2078060, 2181963, 2493672, 2909284, 3117090, 3636605, 4156120, 4363926, 5818568, 6234180, 7273210, 8727852, 10909815, 12468360, 14546420, 17455704, 21819630, 29092840, 43639260, 87278520]

約数ペア:

[(1, 87278520), (2, 43639260), (3, 29092840), (4, 21819630), (5, 17455704), (6, 14546420), (7, 12468360), (8, 10909815), (10, 8727852), (12, 7273210), (14, 6234180), (15, 5818568), (20, 4363926), (21, 4156120), (24, 3636605), (28, 3117090), (30, 2909284), (35, 2493672), (40, 2181963), (42, 2078060), (56, 1558545), (60, 1454642), (70, 1246836), (84, 1039030), (105, 831224), (120, 727321), (140, 623418), (168, 519515), (210, 415612), (280, 311709), (420, 207806), (840, 103903)]