128021520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 439686144

約数和(自身を除く): 311664624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 176, 213, 220, 240, 264, 284, 330, 355, 426, 440, 528, 568, 660, 683, 710, 781, 852, 880, 1065, 1136, 1320, 1366, 1420, 1562, 1704, 2049, 2130, 2343, 2640, 2732, 2840, 3124, 3408, 3415, 3905, 4098, 4260, 4686, 5464, 5680, 6248, 6830, 7513, 7810, 8196, 8520, 9372, 10245, 10928, 11715, 12496, 13660, 15026, 15620, 16392, 17040, 18744, 20490, 22539, 23430, 27320, 30052, 31240, 32784, 37488, 37565, 40980, 45078, 46860, 48493, 54640, 60104, 62480, 75130, 81960, 90156, 93720, 96986, 112695, 120208, 145479, 150260, 163920, 180312, 187440, 193972, 225390, 242465, 290958, 300520, 360624, 387944, 450780, 484930, 533423, 581916, 601040, 727395, 775888, 901560, 969860, 1066846, 1163832, 1454790, 1600269, 1803120, 1939720, 2133692, 2327664, 2667115, 2909580, 3200538, 3879440, 4267384, 5334230, 5819160, 6401076, 8001345, 8534768, 10668460, 11638320, 12802152, 16002690, 21336920, 25604304, 32005380, 42673840, 64010760, 128021520]

約数ペア:

[(1, 128021520), (2, 64010760), (3, 42673840), (4, 32005380), (5, 25604304), (6, 21336920), (8, 16002690), (10, 12802152), (11, 11638320), (12, 10668460), (15, 8534768), (16, 8001345), (20, 6401076), (22, 5819160), (24, 5334230), (30, 4267384), (33, 3879440), (40, 3200538), (44, 2909580), (48, 2667115), (55, 2327664), (60, 2133692), (66, 1939720), (71, 1803120), (80, 1600269), (88, 1454790), (110, 1163832), (120, 1066846), (132, 969860), (142, 901560), (165, 775888), (176, 727395), (213, 601040), (220, 581916), (240, 533423), (264, 484930), (284, 450780), (330, 387944), (355, 360624), (426, 300520), (440, 290958), (528, 242465), (568, 225390), (660, 193972), (683, 187440), (710, 180312), (781, 163920), (852, 150260), (880, 145479), (1065, 120208), (1136, 112695), (1320, 96986), (1366, 93720), (1420, 90156), (1562, 81960), (1704, 75130), (2049, 62480), (2130, 60104), (2343, 54640), (2640, 48493), (2732, 46860), (2840, 45078), (3124, 40980), (3408, 37565), (3415, 37488), (3905, 32784), (4098, 31240), (4260, 30052), (4686, 27320), (5464, 23430), (5680, 22539), (6248, 20490), (6830, 18744), (7513, 17040), (7810, 16392), (8196, 15620), (8520, 15026), (9372, 13660), (10245, 12496), (10928, 11715)]