155909440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25643}}^1$

素因数の和:25679

約数の個数: 56

約数和(自身を含む): 390814560

約数和(自身を除く): 234905120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 25643, 51286, 102572, 128215, 205144, 256430, 410288, 487217, 512860, 820576, 974434, 1025720, 1641152, 1948868, 2051440, 2436085, 3897736, 4102880, 4872170, 7795472, 8205760, 9744340, 15590944, 19488680, 31181888, 38977360, 77954720, 155909440]

約数ペア:

[(1, 155909440), (2, 77954720), (4, 38977360), (5, 31181888), (8, 19488680), (10, 15590944), (16, 9744340), (19, 8205760), (20, 7795472), (32, 4872170), (38, 4102880), (40, 3897736), (64, 2436085), (76, 2051440), (80, 1948868), (95, 1641152), (152, 1025720), (160, 974434), (190, 820576), (304, 512860), (320, 487217), (380, 410288), (608, 256430), (760, 205144), (1216, 128215), (1520, 102572), (3040, 51286), (6080, 25643)]