19717920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13693}}^1$

素因数の和:13714

約数の個数: 72

約数和(自身を含む): 67292316

約数和(自身を除く): 47574396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13693, 27386, 41079, 54772, 68465, 82158, 109544, 123237, 136930, 164316, 205395, 219088, 246474, 273860, 328632, 410790, 438176, 492948, 547720, 616185, 657264, 821580, 985896, 1095440, 1232370, 1314528, 1643160, 1971792, 2190880, 2464740, 3286320, 3943584, 4929480, 6572640, 9858960, 19717920]

約数ペア:

[(1, 19717920), (2, 9858960), (3, 6572640), (4, 4929480), (5, 3943584), (6, 3286320), (8, 2464740), (9, 2190880), (10, 1971792), (12, 1643160), (15, 1314528), (16, 1232370), (18, 1095440), (20, 985896), (24, 821580), (30, 657264), (32, 616185), (36, 547720), (40, 492948), (45, 438176), (48, 410790), (60, 328632), (72, 273860), (80, 246474), (90, 219088), (96, 205395), (120, 164316), (144, 136930), (160, 123237), (180, 109544), (240, 82158), (288, 68465), (360, 54772), (480, 41079), (720, 27386), (1440, 13693)]