205920120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5765

約数の個数: 128

約数和(自身を含む): 722557440

約数和(自身を除く): 516637320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 5701, 6020, 7224, 9030, 11402, 12040, 17103, 18060, 22804, 28505, 34206, 36120, 39907, 45608, 57010, 68412, 79814, 85515, 114020, 119721, 136824, 159628, 171030, 199535, 228040, 239442, 245143, 319256, 342060, 399070, 478884, 490286, 598605, 684120, 735429, 798140, 957768, 980572, 1197210, 1225715, 1470858, 1596280, 1716001, 1961144, 2394420, 2451430, 2941716, 3432002, 3677145, 4788840, 4902860, 5148003, 5883432, 6864004, 7354290, 8580005, 9805720, 10296006, 13728008, 14708580, 17160010, 20592012, 25740015, 29417160, 34320020, 41184024, 51480030, 68640040, 102960060, 205920120]

約数ペア:

[(1, 205920120), (2, 102960060), (3, 68640040), (4, 51480030), (5, 41184024), (6, 34320020), (7, 29417160), (8, 25740015), (10, 20592012), (12, 17160010), (14, 14708580), (15, 13728008), (20, 10296006), (21, 9805720), (24, 8580005), (28, 7354290), (30, 6864004), (35, 5883432), (40, 5148003), (42, 4902860), (43, 4788840), (56, 3677145), (60, 3432002), (70, 2941716), (84, 2451430), (86, 2394420), (105, 1961144), (120, 1716001), (129, 1596280), (140, 1470858), (168, 1225715), (172, 1197210), (210, 980572), (215, 957768), (258, 798140), (280, 735429), (301, 684120), (344, 598605), (420, 490286), (430, 478884), (516, 399070), (602, 342060), (645, 319256), (840, 245143), (860, 239442), (903, 228040), (1032, 199535), (1204, 171030), (1290, 159628), (1505, 136824), (1720, 119721), (1806, 114020), (2408, 85515), (2580, 79814), (3010, 68412), (3612, 57010), (4515, 45608), (5160, 39907), (5701, 36120), (6020, 34206), (7224, 28505), (9030, 22804), (11402, 18060), (12040, 17103)]