128951040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{33581}}^1$

素因数の和:33605

約数の個数: 72

約数和(自身を含む): 411849648

約数和(自身を除く): 282898608

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 33581, 67162, 100743, 134324, 167905, 201486, 268648, 335810, 402972, 503715, 537296, 671620, 805944, 1007430, 1074592, 1343240, 1611888, 2014860, 2149184, 2686480, 3223776, 4029720, 4298368, 5372960, 6447552, 8059440, 8596736, 10745920, 12895104, 16118880, 21491840, 25790208, 32237760, 42983680, 64475520, 128951040]

約数ペア:

[(1, 128951040), (2, 64475520), (3, 42983680), (4, 32237760), (5, 25790208), (6, 21491840), (8, 16118880), (10, 12895104), (12, 10745920), (15, 8596736), (16, 8059440), (20, 6447552), (24, 5372960), (30, 4298368), (32, 4029720), (40, 3223776), (48, 2686480), (60, 2149184), (64, 2014860), (80, 1611888), (96, 1343240), (120, 1074592), (128, 1007430), (160, 805944), (192, 671620), (240, 537296), (256, 503715), (320, 402972), (384, 335810), (480, 268648), (640, 201486), (768, 167905), (960, 134324), (1280, 100743), (1920, 67162), (3840, 33581)]