61291720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 170553600

約数和(自身を除く): 109261880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 281, 287, 328, 380, 410, 532, 562, 574, 665, 760, 779, 820, 1064, 1124, 1148, 1330, 1405, 1435, 1558, 1640, 1967, 2248, 2296, 2660, 2810, 2870, 3116, 3895, 3934, 5320, 5339, 5453, 5620, 5740, 6232, 7790, 7868, 9835, 10678, 10906, 11240, 11480, 11521, 15580, 15736, 19670, 21356, 21812, 23042, 26695, 27265, 31160, 37373, 39340, 42712, 43624, 46084, 53390, 54530, 57605, 74746, 78680, 80647, 92168, 106780, 109060, 115210, 149492, 161294, 186865, 213560, 218120, 218899, 230420, 298984, 322588, 373730, 403235, 437798, 460840, 645176, 747460, 806470, 875596, 1094495, 1494920, 1532293, 1612940, 1751192, 2188990, 3064586, 3225880, 4377980, 6129172, 7661465, 8755960, 12258344, 15322930, 30645860, 61291720]

約数ペア:

[(1, 61291720), (2, 30645860), (4, 15322930), (5, 12258344), (7, 8755960), (8, 7661465), (10, 6129172), (14, 4377980), (19, 3225880), (20, 3064586), (28, 2188990), (35, 1751192), (38, 1612940), (40, 1532293), (41, 1494920), (56, 1094495), (70, 875596), (76, 806470), (82, 747460), (95, 645176), (133, 460840), (140, 437798), (152, 403235), (164, 373730), (190, 322588), (205, 298984), (266, 230420), (280, 218899), (281, 218120), (287, 213560), (328, 186865), (380, 161294), (410, 149492), (532, 115210), (562, 109060), (574, 106780), (665, 92168), (760, 80647), (779, 78680), (820, 74746), (1064, 57605), (1124, 54530), (1148, 53390), (1330, 46084), (1405, 43624), (1435, 42712), (1558, 39340), (1640, 37373), (1967, 31160), (2248, 27265), (2296, 26695), (2660, 23042), (2810, 21812), (2870, 21356), (3116, 19670), (3895, 15736), (3934, 15580), (5320, 11521), (5339, 11480), (5453, 11240), (5620, 10906), (5740, 10678), (6232, 9835), (7790, 7868)]