138401520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13411}}^1$

素因数の和:13470

約数の個数: 80

約数和(自身を含む): 439055232

約数和(自身を除く): 300653712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 13411, 26822, 40233, 53644, 67055, 80466, 107288, 134110, 160932, 201165, 214576, 268220, 321864, 402330, 536440, 576673, 643728, 804660, 1072880, 1153346, 1609320, 1730019, 2306692, 2883365, 3218640, 3460038, 4613384, 5766730, 6920076, 8650095, 9226768, 11533460, 13840152, 17300190, 23066920, 27680304, 34600380, 46133840, 69200760, 138401520]

約数ペア:

[(1, 138401520), (2, 69200760), (3, 46133840), (4, 34600380), (5, 27680304), (6, 23066920), (8, 17300190), (10, 13840152), (12, 11533460), (15, 9226768), (16, 8650095), (20, 6920076), (24, 5766730), (30, 4613384), (40, 3460038), (43, 3218640), (48, 2883365), (60, 2306692), (80, 1730019), (86, 1609320), (120, 1153346), (129, 1072880), (172, 804660), (215, 643728), (240, 576673), (258, 536440), (344, 402330), (430, 321864), (516, 268220), (645, 214576), (688, 201165), (860, 160932), (1032, 134110), (1290, 107288), (1720, 80466), (2064, 67055), (2580, 53644), (3440, 40233), (5160, 26822), (10320, 13411)]