320865120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{222823}}^1$

素因数の和:222844

約数の個数: 72

約数和(自身を含む): 1094957136

約数和(自身を除く): 774092016

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, 222823, 445646, 668469, 891292, 1114115, 1336938, 1782584, 2005407, 2228230, 2673876, 3342345, 3565168, 4010814, 4456460, 5347752, 6684690, 7130336, 8021628, 8912920, 10027035, 10695504, 13369380, 16043256, 17825840, 20054070, 21391008, 26738760, 32086512, 35651680, 40108140, 53477520, 64173024, 80216280, 106955040, 160432560, 320865120]

約数ペア:

[(1, 320865120), (2, 160432560), (3, 106955040), (4, 80216280), (5, 64173024), (6, 53477520), (8, 40108140), (9, 35651680), (10, 32086512), (12, 26738760), (15, 21391008), (16, 20054070), (18, 17825840), (20, 16043256), (24, 13369380), (30, 10695504), (32, 10027035), (36, 8912920), (40, 8021628), (45, 7130336), (48, 6684690), (60, 5347752), (72, 4456460), (80, 4010814), (90, 3565168), (96, 3342345), (120, 2673876), (144, 2228230), (160, 2005407), (180, 1782584), (240, 1336938), (288, 1114115), (360, 891292), (480, 668469), (720, 445646), (1440, 222823)]