61289480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 170311680

約数和(自身を除く): 109022200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 307, 310, 322, 434, 460, 614, 620, 644, 713, 805, 868, 920, 1085, 1228, 1240, 1288, 1426, 1535, 1610, 1736, 2149, 2170, 2456, 2852, 3070, 3220, 3565, 4298, 4340, 4991, 5704, 6140, 6440, 7061, 7130, 8596, 8680, 9517, 9982, 10745, 12280, 14122, 14260, 17192, 19034, 19964, 21490, 24955, 28244, 28520, 35305, 38068, 39928, 42980, 47585, 49427, 49910, 56488, 66619, 70610, 76136, 85960, 95170, 98854, 99820, 133238, 141220, 190340, 197708, 199640, 218891, 247135, 266476, 282440, 333095, 380680, 395416, 437782, 494270, 532952, 666190, 875564, 988540, 1094455, 1332380, 1532237, 1751128, 1977080, 2188910, 2664760, 3064474, 4377820, 6128948, 7661185, 8755640, 12257896, 15322370, 30644740, 61289480]

約数ペア:

[(1, 61289480), (2, 30644740), (4, 15322370), (5, 12257896), (7, 8755640), (8, 7661185), (10, 6128948), (14, 4377820), (20, 3064474), (23, 2664760), (28, 2188910), (31, 1977080), (35, 1751128), (40, 1532237), (46, 1332380), (56, 1094455), (62, 988540), (70, 875564), (92, 666190), (115, 532952), (124, 494270), (140, 437782), (155, 395416), (161, 380680), (184, 333095), (217, 282440), (230, 266476), (248, 247135), (280, 218891), (307, 199640), (310, 197708), (322, 190340), (434, 141220), (460, 133238), (614, 99820), (620, 98854), (644, 95170), (713, 85960), (805, 76136), (868, 70610), (920, 66619), (1085, 56488), (1228, 49910), (1240, 49427), (1288, 47585), (1426, 42980), (1535, 39928), (1610, 38068), (1736, 35305), (2149, 28520), (2170, 28244), (2456, 24955), (2852, 21490), (3070, 19964), (3220, 19034), (3565, 17192), (4298, 14260), (4340, 14122), (4991, 12280), (5704, 10745), (6140, 9982), (6440, 9517), (7061, 8680), (7130, 8596)]