129577360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 330603840

約数和(自身を除く): 201026480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 229, 440, 458, 643, 880, 916, 1145, 1286, 1832, 2290, 2519, 2572, 3215, 3664, 4580, 5038, 5144, 6430, 7073, 9160, 10076, 10288, 12595, 12860, 14146, 18320, 20152, 25190, 25720, 28292, 35365, 40304, 50380, 51440, 56584, 70730, 100760, 113168, 141460, 147247, 201520, 282920, 294494, 565840, 588988, 736235, 1177976, 1472470, 1619717, 2355952, 2944940, 3239434, 5889880, 6478868, 8098585, 11779760, 12957736, 16197170, 25915472, 32394340, 64788680, 129577360]

約数ペア:

[(1, 129577360), (2, 64788680), (4, 32394340), (5, 25915472), (8, 16197170), (10, 12957736), (11, 11779760), (16, 8098585), (20, 6478868), (22, 5889880), (40, 3239434), (44, 2944940), (55, 2355952), (80, 1619717), (88, 1472470), (110, 1177976), (176, 736235), (220, 588988), (229, 565840), (440, 294494), (458, 282920), (643, 201520), (880, 147247), (916, 141460), (1145, 113168), (1286, 100760), (1832, 70730), (2290, 56584), (2519, 51440), (2572, 50380), (3215, 40304), (3664, 35365), (4580, 28292), (5038, 25720), (5144, 25190), (6430, 20152), (7073, 18320), (9160, 14146), (10076, 12860), (10288, 12595)]