74721960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1672

約数の個数: 128

約数和(自身を含む): 255024000

約数和(自身を除く): 180302040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1548, 1609, 1720, 1935, 2322, 2580, 3096, 3218, 3870, 4644, 4827, 5160, 5805, 6436, 7740, 8045, 9288, 9654, 11610, 12872, 14481, 15480, 16090, 19308, 23220, 24135, 28962, 32180, 38616, 43443, 46440, 48270, 57924, 64360, 69187, 72405, 86886, 96540, 115848, 138374, 144810, 173772, 193080, 207561, 217215, 276748, 289620, 345935, 347544, 415122, 434430, 553496, 579240, 622683, 691870, 830244, 868860, 1037805, 1245366, 1383740, 1660488, 1737720, 1868049, 2075610, 2490732, 2767480, 3113415, 3736098, 4151220, 4981464, 6226830, 7472196, 8302440, 9340245, 12453660, 14944392, 18680490, 24907320, 37360980, 74721960]

約数ペア:

[(1, 74721960), (2, 37360980), (3, 24907320), (4, 18680490), (5, 14944392), (6, 12453660), (8, 9340245), (9, 8302440), (10, 7472196), (12, 6226830), (15, 4981464), (18, 4151220), (20, 3736098), (24, 3113415), (27, 2767480), (30, 2490732), (36, 2075610), (40, 1868049), (43, 1737720), (45, 1660488), (54, 1383740), (60, 1245366), (72, 1037805), (86, 868860), (90, 830244), (108, 691870), (120, 622683), (129, 579240), (135, 553496), (172, 434430), (180, 415122), (215, 347544), (216, 345935), (258, 289620), (270, 276748), (344, 217215), (360, 207561), (387, 193080), (430, 173772), (516, 144810), (540, 138374), (645, 115848), (774, 96540), (860, 86886), (1032, 72405), (1080, 69187), (1161, 64360), (1290, 57924), (1548, 48270), (1609, 46440), (1720, 43443), (1935, 38616), (2322, 32180), (2580, 28962), (3096, 24135), (3218, 23220), (3870, 19308), (4644, 16090), (4827, 15480), (5160, 14481), (5805, 12872), (6436, 11610), (7740, 9654), (8045, 9288)]