181236780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43777}}^1$

素因数の和:43815

約数の個数: 72

約数和(自身を含む): 573666912

約数和(自身を除く): 392430132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 43777, 87554, 131331, 175108, 218885, 262662, 393993, 437770, 525324, 656655, 787986, 875540, 1006871, 1313310, 1575972, 1969965, 2013742, 2626620, 3020613, 3939930, 4027484, 5034355, 6041226, 7879860, 9061839, 10068710, 12082452, 15103065, 18123678, 20137420, 30206130, 36247356, 45309195, 60412260, 90618390, 181236780]

約数ペア:

[(1, 181236780), (2, 90618390), (3, 60412260), (4, 45309195), (5, 36247356), (6, 30206130), (9, 20137420), (10, 18123678), (12, 15103065), (15, 12082452), (18, 10068710), (20, 9061839), (23, 7879860), (30, 6041226), (36, 5034355), (45, 4027484), (46, 3939930), (60, 3020613), (69, 2626620), (90, 2013742), (92, 1969965), (115, 1575972), (138, 1313310), (180, 1006871), (207, 875540), (230, 787986), (276, 656655), (345, 525324), (414, 437770), (460, 393993), (690, 262662), (828, 218885), (1035, 175108), (1380, 131331), (2070, 87554), (4140, 43777)]