142329680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 353548800

約数和(自身を除く): 211219120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 1979, 2320, 2480, 3596, 3958, 4495, 7192, 7916, 8990, 9895, 14384, 15832, 17980, 19790, 31664, 35960, 39580, 57391, 61349, 71920, 79160, 114782, 122698, 158320, 229564, 245396, 286955, 306745, 459128, 490792, 573910, 613490, 918256, 981584, 1147820, 1226980, 1779121, 2295640, 2453960, 3558242, 4591280, 4907920, 7116484, 8895605, 14232968, 17791210, 28465936, 35582420, 71164840, 142329680]

約数ペア:

[(1, 142329680), (2, 71164840), (4, 35582420), (5, 28465936), (8, 17791210), (10, 14232968), (16, 8895605), (20, 7116484), (29, 4907920), (31, 4591280), (40, 3558242), (58, 2453960), (62, 2295640), (80, 1779121), (116, 1226980), (124, 1147820), (145, 981584), (155, 918256), (232, 613490), (248, 573910), (290, 490792), (310, 459128), (464, 306745), (496, 286955), (580, 245396), (620, 229564), (899, 158320), (1160, 122698), (1240, 114782), (1798, 79160), (1979, 71920), (2320, 61349), (2480, 57391), (3596, 39580), (3958, 35960), (4495, 31664), (7192, 19790), (7916, 17980), (8990, 15832), (9895, 14384)]