128595840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{66977}}^1$

素因数の和:66999

約数の個数: 64

約数和(自身を含む): 409905360

約数和(自身を除く): 281309520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 66977, 133954, 200931, 267908, 334885, 401862, 535816, 669770, 803724, 1004655, 1071632, 1339540, 1607448, 2009310, 2143264, 2679080, 3214896, 4018620, 4286528, 5358160, 6429792, 8037240, 8573056, 10716320, 12859584, 16074480, 21432640, 25719168, 32148960, 42865280, 64297920, 128595840]

約数ペア:

[(1, 128595840), (2, 64297920), (3, 42865280), (4, 32148960), (5, 25719168), (6, 21432640), (8, 16074480), (10, 12859584), (12, 10716320), (15, 8573056), (16, 8037240), (20, 6429792), (24, 5358160), (30, 4286528), (32, 4018620), (40, 3214896), (48, 2679080), (60, 2143264), (64, 2009310), (80, 1607448), (96, 1339540), (120, 1071632), (128, 1004655), (160, 803724), (192, 669770), (240, 535816), (320, 401862), (384, 334885), (480, 267908), (640, 200931), (960, 133954), (1920, 66977)]