128791680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67079}}^1$

素因数の和:67101

約数の個数: 64

約数和(自身を含む): 410529600

約数和(自身を除く): 281737920

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, 67079, 134158, 201237, 268316, 335395, 402474, 536632, 670790, 804948, 1006185, 1073264, 1341580, 1609896, 2012370, 2146528, 2683160, 3219792, 4024740, 4293056, 5366320, 6439584, 8049480, 8586112, 10732640, 12879168, 16098960, 21465280, 25758336, 32197920, 42930560, 64395840, 128791680]

約数ペア:

[(1, 128791680), (2, 64395840), (3, 42930560), (4, 32197920), (5, 25758336), (6, 21465280), (8, 16098960), (10, 12879168), (12, 10732640), (15, 8586112), (16, 8049480), (20, 6439584), (24, 5366320), (30, 4293056), (32, 4024740), (40, 3219792), (48, 2683160), (60, 2146528), (64, 2012370), (80, 1609896), (96, 1341580), (120, 1073264), (128, 1006185), (160, 804948), (192, 670790), (240, 536632), (320, 402474), (384, 335395), (480, 268316), (640, 201237), (960, 134158), (1920, 67079)]