81129720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1717

約数の個数: 128

約数和(自身を含む): 283046400

約数和(自身を除く): 201916680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 413, 420, 472, 590, 708, 826, 840, 885, 1180, 1239, 1416, 1637, 1652, 1770, 2065, 2360, 2478, 3274, 3304, 3540, 4130, 4911, 4956, 6195, 6548, 7080, 8185, 8260, 9822, 9912, 11459, 12390, 13096, 16370, 16520, 19644, 22918, 24555, 24780, 32740, 34377, 39288, 45836, 49110, 49560, 57295, 65480, 68754, 91672, 96583, 98220, 114590, 137508, 171885, 193166, 196440, 229180, 275016, 289749, 343770, 386332, 458360, 482915, 579498, 676081, 687540, 772664, 965830, 1158996, 1352162, 1375080, 1448745, 1931660, 2028243, 2317992, 2704324, 2897490, 3380405, 3863320, 4056486, 5408648, 5794980, 6760810, 8112972, 10141215, 11589960, 13521620, 16225944, 20282430, 27043240, 40564860, 81129720]

約数ペア:

[(1, 81129720), (2, 40564860), (3, 27043240), (4, 20282430), (5, 16225944), (6, 13521620), (7, 11589960), (8, 10141215), (10, 8112972), (12, 6760810), (14, 5794980), (15, 5408648), (20, 4056486), (21, 3863320), (24, 3380405), (28, 2897490), (30, 2704324), (35, 2317992), (40, 2028243), (42, 1931660), (56, 1448745), (59, 1375080), (60, 1352162), (70, 1158996), (84, 965830), (105, 772664), (118, 687540), (120, 676081), (140, 579498), (168, 482915), (177, 458360), (210, 386332), (236, 343770), (280, 289749), (295, 275016), (354, 229180), (413, 196440), (420, 193166), (472, 171885), (590, 137508), (708, 114590), (826, 98220), (840, 96583), (885, 91672), (1180, 68754), (1239, 65480), (1416, 57295), (1637, 49560), (1652, 49110), (1770, 45836), (2065, 39288), (2360, 34377), (2478, 32740), (3274, 24780), (3304, 24555), (3540, 22918), (4130, 19644), (4911, 16520), (4956, 16370), (6195, 13096), (6548, 12390), (7080, 11459), (8185, 9912), (8260, 9822)]