6436840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 15552000

約数和(自身を除く): 9115160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 179, 232, 248, 290, 310, 358, 580, 620, 716, 895, 899, 1160, 1240, 1432, 1790, 1798, 3580, 3596, 4495, 5191, 5549, 7160, 7192, 8990, 10382, 11098, 17980, 20764, 22196, 25955, 27745, 35960, 41528, 44392, 51910, 55490, 103820, 110980, 160921, 207640, 221960, 321842, 643684, 804605, 1287368, 1609210, 3218420, 6436840]

約数ペア:

[(1, 6436840), (2, 3218420), (4, 1609210), (5, 1287368), (8, 804605), (10, 643684), (20, 321842), (29, 221960), (31, 207640), (40, 160921), (58, 110980), (62, 103820), (116, 55490), (124, 51910), (145, 44392), (155, 41528), (179, 35960), (232, 27745), (248, 25955), (290, 22196), (310, 20764), (358, 17980), (580, 11098), (620, 10382), (716, 8990), (895, 7192), (899, 7160), (1160, 5549), (1240, 5191), (1432, 4495), (1790, 3596), (1798, 3580)]