88831980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 288288000

約数和(自身を除く): 199456020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 258, 276, 345, 387, 414, 430, 460, 499, 516, 645, 690, 774, 828, 860, 989, 998, 1035, 1290, 1380, 1497, 1548, 1935, 1978, 1996, 2070, 2495, 2580, 2967, 2994, 3870, 3956, 4140, 4491, 4945, 4990, 5934, 5988, 7485, 7740, 8901, 8982, 9890, 9980, 11477, 11868, 14835, 14970, 17802, 17964, 19780, 21457, 22455, 22954, 29670, 29940, 34431, 35604, 42914, 44505, 44910, 45908, 57385, 59340, 64371, 68862, 85828, 89010, 89820, 103293, 107285, 114770, 128742, 137724, 172155, 178020, 193113, 206586, 214570, 229540, 257484, 321855, 344310, 386226, 413172, 429140, 493511, 516465, 643710, 688620, 772452, 965565, 987022, 1032930, 1287420, 1480533, 1931130, 1974044, 2065860, 2467555, 2961066, 3862260, 4441599, 4935110, 5922132, 7402665, 8883198, 9870220, 14805330, 17766396, 22207995, 29610660, 44415990, 88831980]

約数ペア:

[(1, 88831980), (2, 44415990), (3, 29610660), (4, 22207995), (5, 17766396), (6, 14805330), (9, 9870220), (10, 8883198), (12, 7402665), (15, 5922132), (18, 4935110), (20, 4441599), (23, 3862260), (30, 2961066), (36, 2467555), (43, 2065860), (45, 1974044), (46, 1931130), (60, 1480533), (69, 1287420), (86, 1032930), (90, 987022), (92, 965565), (115, 772452), (129, 688620), (138, 643710), (172, 516465), (180, 493511), (207, 429140), (215, 413172), (230, 386226), (258, 344310), (276, 321855), (345, 257484), (387, 229540), (414, 214570), (430, 206586), (460, 193113), (499, 178020), (516, 172155), (645, 137724), (690, 128742), (774, 114770), (828, 107285), (860, 103293), (989, 89820), (998, 89010), (1035, 85828), (1290, 68862), (1380, 64371), (1497, 59340), (1548, 57385), (1935, 45908), (1978, 44910), (1996, 44505), (2070, 42914), (2495, 35604), (2580, 34431), (2967, 29940), (2994, 29670), (3870, 22954), (3956, 22455), (4140, 21457), (4491, 19780), (4945, 17964), (4990, 17802), (5934, 14970), (5988, 14835), (7485, 11868), (7740, 11477), (8901, 9980), (8982, 9890)]