120185440

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1931}}^1$

素因数の和:2335

約数の個数: 48

約数和(自身を含む): 284815440

約数和(自身を除く): 164630000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1931, 1945, 3112, 3862, 3890, 6224, 7724, 7780, 9655, 12448, 15448, 15560, 19310, 30896, 31120, 38620, 61792, 62240, 77240, 154480, 308960, 751159, 1502318, 3004636, 3755795, 6009272, 7511590, 12018544, 15023180, 24037088, 30046360, 60092720, 120185440]

約数ペア:

[(1, 120185440), (2, 60092720), (4, 30046360), (5, 24037088), (8, 15023180), (10, 12018544), (16, 7511590), (20, 6009272), (32, 3755795), (40, 3004636), (80, 1502318), (160, 751159), (389, 308960), (778, 154480), (1556, 77240), (1931, 62240), (1945, 61792), (3112, 38620), (3862, 31120), (3890, 30896), (6224, 19310), (7724, 15560), (7780, 15448), (9655, 12448)]