129969920

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1801

約数の個数: 72

約数和(自身を含む): 316779120

約数和(自身を除く): 186809200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1721, 1888, 2360, 3442, 3776, 4720, 6884, 7552, 8605, 9440, 13768, 15104, 17210, 18880, 27536, 34420, 37760, 55072, 68840, 75520, 101539, 110144, 137680, 203078, 220288, 275360, 406156, 440576, 507695, 550720, 812312, 1015390, 1101440, 1624624, 2030780, 2202880, 3249248, 4061560, 6498496, 8123120, 12996992, 16246240, 25993984, 32492480, 64984960, 129969920]

約数ペア:

[(1, 129969920), (2, 64984960), (4, 32492480), (5, 25993984), (8, 16246240), (10, 12996992), (16, 8123120), (20, 6498496), (32, 4061560), (40, 3249248), (59, 2202880), (64, 2030780), (80, 1624624), (118, 1101440), (128, 1015390), (160, 812312), (236, 550720), (256, 507695), (295, 440576), (320, 406156), (472, 275360), (590, 220288), (640, 203078), (944, 137680), (1180, 110144), (1280, 101539), (1721, 75520), (1888, 68840), (2360, 55072), (3442, 37760), (3776, 34420), (4720, 27536), (6884, 18880), (7552, 17210), (8605, 15104), (9440, 13768)]