21512160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14939}}^1$

素因数の和:14960

約数の個数: 72

約数和(自身を含む): 73415160

約数和(自身を除く): 51903000

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, 14939, 29878, 44817, 59756, 74695, 89634, 119512, 134451, 149390, 179268, 224085, 239024, 268902, 298780, 358536, 448170, 478048, 537804, 597560, 672255, 717072, 896340, 1075608, 1195120, 1344510, 1434144, 1792680, 2151216, 2390240, 2689020, 3585360, 4302432, 5378040, 7170720, 10756080, 21512160]

約数ペア:

[(1, 21512160), (2, 10756080), (3, 7170720), (4, 5378040), (5, 4302432), (6, 3585360), (8, 2689020), (9, 2390240), (10, 2151216), (12, 1792680), (15, 1434144), (16, 1344510), (18, 1195120), (20, 1075608), (24, 896340), (30, 717072), (32, 672255), (36, 597560), (40, 537804), (45, 478048), (48, 448170), (60, 358536), (72, 298780), (80, 268902), (90, 239024), (96, 224085), (120, 179268), (144, 149390), (160, 134451), (180, 119512), (240, 89634), (288, 74695), (360, 59756), (480, 44817), (720, 29878), (1440, 14939)]