82157880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2149

約数の個数: 128

約数和(自身を含む): 287815680

約数和(自身を除く): 205657800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2081, 2632, 2820, 3290, 3948, 4162, 4935, 5640, 6243, 6580, 7896, 8324, 9870, 10405, 12486, 13160, 14567, 16648, 19740, 20810, 24972, 29134, 31215, 39480, 41620, 43701, 49944, 58268, 62430, 72835, 83240, 87402, 97807, 116536, 124860, 145670, 174804, 195614, 218505, 249720, 291340, 293421, 349608, 391228, 437010, 489035, 582680, 586842, 684649, 782456, 874020, 978070, 1173684, 1369298, 1467105, 1748040, 1956140, 2053947, 2347368, 2738596, 2934210, 3423245, 3912280, 4107894, 5477192, 5868420, 6846490, 8215788, 10269735, 11736840, 13692980, 16431576, 20539470, 27385960, 41078940, 82157880]

約数ペア:

[(1, 82157880), (2, 41078940), (3, 27385960), (4, 20539470), (5, 16431576), (6, 13692980), (7, 11736840), (8, 10269735), (10, 8215788), (12, 6846490), (14, 5868420), (15, 5477192), (20, 4107894), (21, 3912280), (24, 3423245), (28, 2934210), (30, 2738596), (35, 2347368), (40, 2053947), (42, 1956140), (47, 1748040), (56, 1467105), (60, 1369298), (70, 1173684), (84, 978070), (94, 874020), (105, 782456), (120, 684649), (140, 586842), (141, 582680), (168, 489035), (188, 437010), (210, 391228), (235, 349608), (280, 293421), (282, 291340), (329, 249720), (376, 218505), (420, 195614), (470, 174804), (564, 145670), (658, 124860), (705, 116536), (840, 97807), (940, 87402), (987, 83240), (1128, 72835), (1316, 62430), (1410, 58268), (1645, 49944), (1880, 43701), (1974, 41620), (2081, 39480), (2632, 31215), (2820, 29134), (3290, 24972), (3948, 20810), (4162, 19740), (4935, 16648), (5640, 14567), (6243, 13160), (6580, 12486), (7896, 10405), (8324, 9870)]