155352720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647303}}^1$

素因数の和:647319

約数の個数: 40

約数和(自身を含む): 481594176

約数和(自身を除く): 326241456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647303, 1294606, 1941909, 2589212, 3236515, 3883818, 5178424, 6473030, 7767636, 9709545, 10356848, 12946060, 15535272, 19419090, 25892120, 31070544, 38838180, 51784240, 77676360, 155352720]

約数ペア:

[(1, 155352720), (2, 77676360), (3, 51784240), (4, 38838180), (5, 31070544), (6, 25892120), (8, 19419090), (10, 15535272), (12, 12946060), (15, 10356848), (16, 9709545), (20, 7767636), (24, 6473030), (30, 5178424), (40, 3883818), (48, 3236515), (60, 2589212), (80, 1941909), (120, 1294606), (240, 647303)]