128722560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67043}}^1$

素因数の和:67065

約数の個数: 64

約数和(自身を含む): 410309280

約数和(自身を除く): 281586720

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, 67043, 134086, 201129, 268172, 335215, 402258, 536344, 670430, 804516, 1005645, 1072688, 1340860, 1609032, 2011290, 2145376, 2681720, 3218064, 4022580, 4290752, 5363440, 6436128, 8045160, 8581504, 10726880, 12872256, 16090320, 21453760, 25744512, 32180640, 42907520, 64361280, 128722560]

約数ペア:

[(1, 128722560), (2, 64361280), (3, 42907520), (4, 32180640), (5, 25744512), (6, 21453760), (8, 16090320), (10, 12872256), (12, 10726880), (15, 8581504), (16, 8045160), (20, 6436128), (24, 5363440), (30, 4290752), (32, 4022580), (40, 3218064), (48, 2681720), (60, 2145376), (64, 2011290), (80, 1609032), (96, 1340860), (120, 1072688), (128, 1005645), (160, 804516), (192, 670430), (240, 536344), (320, 402258), (384, 335215), (480, 268172), (640, 201129), (960, 134086), (1920, 67043)]