65407440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38933}}^1$

素因数の和:38956

約数の個数: 80

約数和(自身を含む): 231735168

約数和(自身を除く): 166327728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38933, 77866, 116799, 155732, 194665, 233598, 272531, 311464, 389330, 467196, 545062, 583995, 622928, 778660, 817593, 934392, 1090124, 1167990, 1362655, 1557320, 1635186, 1868784, 2180248, 2335980, 2725310, 3114640, 3270372, 4087965, 4360496, 4671960, 5450620, 6540744, 8175930, 9343920, 10901240, 13081488, 16351860, 21802480, 32703720, 65407440]

約数ペア:

[(1, 65407440), (2, 32703720), (3, 21802480), (4, 16351860), (5, 13081488), (6, 10901240), (7, 9343920), (8, 8175930), (10, 6540744), (12, 5450620), (14, 4671960), (15, 4360496), (16, 4087965), (20, 3270372), (21, 3114640), (24, 2725310), (28, 2335980), (30, 2180248), (35, 1868784), (40, 1635186), (42, 1557320), (48, 1362655), (56, 1167990), (60, 1090124), (70, 934392), (80, 817593), (84, 778660), (105, 622928), (112, 583995), (120, 545062), (140, 467196), (168, 389330), (210, 311464), (240, 272531), (280, 233598), (336, 194665), (420, 155732), (560, 116799), (840, 77866), (1680, 38933)]