128406480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{937}}^1$

素因数の和:1524

約数の個数: 80

約数和(自身を含む): 399182784

約数和(自身を除く): 270776304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 571, 937, 1142, 1713, 1874, 2284, 2811, 2855, 3426, 3748, 4568, 4685, 5622, 5710, 6852, 7496, 8565, 9136, 9370, 11244, 11420, 13704, 14055, 14992, 17130, 18740, 22488, 22840, 27408, 28110, 34260, 37480, 44976, 45680, 56220, 68520, 74960, 112440, 137040, 224880, 535027, 1070054, 1605081, 2140108, 2675135, 3210162, 4280216, 5350270, 6420324, 8025405, 8560432, 10700540, 12840648, 16050810, 21401080, 25681296, 32101620, 42802160, 64203240, 128406480]

約数ペア:

[(1, 128406480), (2, 64203240), (3, 42802160), (4, 32101620), (5, 25681296), (6, 21401080), (8, 16050810), (10, 12840648), (12, 10700540), (15, 8560432), (16, 8025405), (20, 6420324), (24, 5350270), (30, 4280216), (40, 3210162), (48, 2675135), (60, 2140108), (80, 1605081), (120, 1070054), (240, 535027), (571, 224880), (937, 137040), (1142, 112440), (1713, 74960), (1874, 68520), (2284, 56220), (2811, 45680), (2855, 44976), (3426, 37480), (3748, 34260), (4568, 28110), (4685, 27408), (5622, 22840), (5710, 22488), (6852, 18740), (7496, 17130), (8565, 14992), (9136, 14055), (9370, 13704), (11244, 11420)]