128985360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76777}}^1$

素因数の和:76800

約数の個数: 80

約数和(自身を含む): 456982656

約数和(自身を除く): 327997296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76777, 153554, 230331, 307108, 383885, 460662, 537439, 614216, 767770, 921324, 1074878, 1151655, 1228432, 1535540, 1612317, 1842648, 2149756, 2303310, 2687195, 3071080, 3224634, 3685296, 4299512, 4606620, 5374390, 6142160, 6449268, 8061585, 8599024, 9213240, 10748780, 12898536, 16123170, 18426480, 21497560, 25797072, 32246340, 42995120, 64492680, 128985360]

約数ペア:

[(1, 128985360), (2, 64492680), (3, 42995120), (4, 32246340), (5, 25797072), (6, 21497560), (7, 18426480), (8, 16123170), (10, 12898536), (12, 10748780), (14, 9213240), (15, 8599024), (16, 8061585), (20, 6449268), (21, 6142160), (24, 5374390), (28, 4606620), (30, 4299512), (35, 3685296), (40, 3224634), (42, 3071080), (48, 2687195), (56, 2303310), (60, 2149756), (70, 1842648), (80, 1612317), (84, 1535540), (105, 1228432), (112, 1151655), (120, 1074878), (140, 921324), (168, 767770), (210, 614216), (240, 537439), (280, 460662), (336, 383885), (420, 307108), (560, 230331), (840, 153554), (1680, 76777)]