180615920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1198

約数の個数: 80

約数和(自身を含む): 440352768

約数和(自身を除く): 259736848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 1072, 1087, 1240, 1340, 2077, 2174, 2480, 2680, 4154, 4348, 5360, 5435, 8308, 8696, 10385, 10870, 16616, 17392, 20770, 21740, 33232, 33697, 41540, 43480, 67394, 72829, 83080, 86960, 134788, 145658, 166160, 168485, 269576, 291316, 336970, 364145, 539152, 582632, 673940, 728290, 1165264, 1347880, 1456580, 2257699, 2695760, 2913160, 4515398, 5826320, 9030796, 11288495, 18061592, 22576990, 36123184, 45153980, 90307960, 180615920]

約数ペア:

[(1, 180615920), (2, 90307960), (4, 45153980), (5, 36123184), (8, 22576990), (10, 18061592), (16, 11288495), (20, 9030796), (31, 5826320), (40, 4515398), (62, 2913160), (67, 2695760), (80, 2257699), (124, 1456580), (134, 1347880), (155, 1165264), (248, 728290), (268, 673940), (310, 582632), (335, 539152), (496, 364145), (536, 336970), (620, 291316), (670, 269576), (1072, 168485), (1087, 166160), (1240, 145658), (1340, 134788), (2077, 86960), (2174, 83080), (2480, 72829), (2680, 67394), (4154, 43480), (4348, 41540), (5360, 33697), (5435, 33232), (8308, 21740), (8696, 20770), (10385, 17392), (10870, 16616)]