156939432920

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3413}}^1\times {\mathrm{4091}}^1$

素因数の和:7796

約数の個数: 64

約数和(自身を含む): 354560833440

約数和(自身を除く): 197621400520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 3413, 4091, 5620, 6826, 8182, 11240, 13652, 16364, 17065, 20455, 27304, 32728, 34130, 40910, 68260, 81820, 136520, 163640, 959053, 1149571, 1918106, 2299142, 3836212, 4598284, 4795265, 5747855, 7672424, 9196568, 9590530, 11495710, 13962583, 19181060, 22991420, 27925166, 38362120, 45982840, 55850332, 69812915, 111700664, 139625830, 279251660, 558503320, 3923485823, 7846971646, 15693943292, 19617429115, 31387886584, 39234858230, 78469716460, 156939432920]

約数ペア:

[(1, 156939432920), (2, 78469716460), (4, 39234858230), (5, 31387886584), (8, 19617429115), (10, 15693943292), (20, 7846971646), (40, 3923485823), (281, 558503320), (562, 279251660), (1124, 139625830), (1405, 111700664), (2248, 69812915), (2810, 55850332), (3413, 45982840), (4091, 38362120), (5620, 27925166), (6826, 22991420), (8182, 19181060), (11240, 13962583), (13652, 11495710), (16364, 9590530), (17065, 9196568), (20455, 7672424), (27304, 5747855), (32728, 4795265), (34130, 4598284), (40910, 3836212), (68260, 2299142), (81820, 1918106), (136520, 1149571), (163640, 959053)]