160011280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 445471488

約数和(自身を除く): 285460208

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 71, 80, 88, 104, 110, 130, 142, 143, 176, 197, 208, 220, 260, 284, 286, 355, 394, 440, 520, 568, 572, 710, 715, 781, 788, 880, 923, 985, 1040, 1136, 1144, 1420, 1430, 1562, 1576, 1846, 1970, 2167, 2288, 2561, 2840, 2860, 3124, 3152, 3692, 3905, 3940, 4334, 4615, 5122, 5680, 5720, 6248, 7384, 7810, 7880, 8668, 9230, 10153, 10244, 10835, 11440, 12496, 12805, 13987, 14768, 15620, 15760, 17336, 18460, 20306, 20488, 21670, 25610, 27974, 28171, 31240, 34672, 36920, 40612, 40976, 43340, 50765, 51220, 55948, 56342, 62480, 69935, 73840, 81224, 86680, 101530, 102440, 111896, 112684, 139870, 140855, 153857, 162448, 173360, 181831, 203060, 204880, 223792, 225368, 279740, 281710, 307714, 363662, 406120, 450736, 559480, 563420, 615428, 727324, 769285, 812240, 909155, 1118960, 1126840, 1230856, 1454648, 1538570, 1818310, 2000141, 2253680, 2461712, 2909296, 3077140, 3636620, 4000282, 6154280, 7273240, 8000564, 10000705, 12308560, 14546480, 16001128, 20001410, 32002256, 40002820, 80005640, 160011280]

約数ペア:

[(1, 160011280), (2, 80005640), (4, 40002820), (5, 32002256), (8, 20001410), (10, 16001128), (11, 14546480), (13, 12308560), (16, 10000705), (20, 8000564), (22, 7273240), (26, 6154280), (40, 4000282), (44, 3636620), (52, 3077140), (55, 2909296), (65, 2461712), (71, 2253680), (80, 2000141), (88, 1818310), (104, 1538570), (110, 1454648), (130, 1230856), (142, 1126840), (143, 1118960), (176, 909155), (197, 812240), (208, 769285), (220, 727324), (260, 615428), (284, 563420), (286, 559480), (355, 450736), (394, 406120), (440, 363662), (520, 307714), (568, 281710), (572, 279740), (710, 225368), (715, 223792), (781, 204880), (788, 203060), (880, 181831), (923, 173360), (985, 162448), (1040, 153857), (1136, 140855), (1144, 139870), (1420, 112684), (1430, 111896), (1562, 102440), (1576, 101530), (1846, 86680), (1970, 81224), (2167, 73840), (2288, 69935), (2561, 62480), (2840, 56342), (2860, 55948), (3124, 51220), (3152, 50765), (3692, 43340), (3905, 40976), (3940, 40612), (4334, 36920), (4615, 34672), (5122, 31240), (5680, 28171), (5720, 27974), (6248, 25610), (7384, 21670), (7810, 20488), (7880, 20306), (8668, 18460), (9230, 17336), (10153, 15760), (10244, 15620), (10835, 14768), (11440, 13987), (12496, 12805)]