156911120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103231}}^1$

素因数の和:103263

約数の個数: 40

約数和(自身を含む): 384023040

約数和(自身を除く): 227111920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 103231, 206462, 412924, 516155, 825848, 1032310, 1651696, 1961389, 2064620, 3922778, 4129240, 7845556, 8258480, 9806945, 15691112, 19613890, 31382224, 39227780, 78455560, 156911120]

約数ペア:

[(1, 156911120), (2, 78455560), (4, 39227780), (5, 31382224), (8, 19613890), (10, 15691112), (16, 9806945), (19, 8258480), (20, 7845556), (38, 4129240), (40, 3922778), (76, 2064620), (80, 1961389), (95, 1651696), (152, 1032310), (190, 825848), (304, 516155), (380, 412924), (760, 206462), (1520, 103231)]