87783120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{121921}}^1$

素因数の和:121940

約数の個数: 60

約数和(自身を含む): 294807396

約数和(自身を除く): 207024276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 121921, 243842, 365763, 487684, 609605, 731526, 975368, 1097289, 1219210, 1463052, 1828815, 1950736, 2194578, 2438420, 2926104, 3657630, 4389156, 4876840, 5486445, 5852208, 7315260, 8778312, 9753680, 10972890, 14630520, 17556624, 21945780, 29261040, 43891560, 87783120]

約数ペア:

[(1, 87783120), (2, 43891560), (3, 29261040), (4, 21945780), (5, 17556624), (6, 14630520), (8, 10972890), (9, 9753680), (10, 8778312), (12, 7315260), (15, 5852208), (16, 5486445), (18, 4876840), (20, 4389156), (24, 3657630), (30, 2926104), (36, 2438420), (40, 2194578), (45, 1950736), (48, 1828815), (60, 1463052), (72, 1219210), (80, 1097289), (90, 975368), (120, 731526), (144, 609605), (180, 487684), (240, 365763), (360, 243842), (720, 121921)]