81925920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56893}}^1$

素因数の和:56914

約数の個数: 72

約数和(自身を含む): 279577116

約数和(自身を除く): 197651196

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, 56893, 113786, 170679, 227572, 284465, 341358, 455144, 512037, 568930, 682716, 853395, 910288, 1024074, 1137860, 1365432, 1706790, 1820576, 2048148, 2275720, 2560185, 2730864, 3413580, 4096296, 4551440, 5120370, 5461728, 6827160, 8192592, 9102880, 10240740, 13654320, 16385184, 20481480, 27308640, 40962960, 81925920]

約数ペア:

[(1, 81925920), (2, 40962960), (3, 27308640), (4, 20481480), (5, 16385184), (6, 13654320), (8, 10240740), (9, 9102880), (10, 8192592), (12, 6827160), (15, 5461728), (16, 5120370), (18, 4551440), (20, 4096296), (24, 3413580), (30, 2730864), (32, 2560185), (36, 2275720), (40, 2048148), (45, 1820576), (48, 1706790), (60, 1365432), (72, 1137860), (80, 1024074), (90, 910288), (96, 853395), (120, 682716), (144, 568930), (160, 512037), (180, 455144), (240, 341358), (288, 284465), (360, 227572), (480, 170679), (720, 113786), (1440, 56893)]