153947120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101281}}^1$

素因数の和:101313

約数の個数: 40

約数和(自身を含む): 376769040

約数和(自身を除く): 222821920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 101281, 202562, 405124, 506405, 810248, 1012810, 1620496, 1924339, 2025620, 3848678, 4051240, 7697356, 8102480, 9621695, 15394712, 19243390, 30789424, 38486780, 76973560, 153947120]

約数ペア:

[(1, 153947120), (2, 76973560), (4, 38486780), (5, 30789424), (8, 19243390), (10, 15394712), (16, 9621695), (19, 8102480), (20, 7697356), (38, 4051240), (40, 3848678), (76, 2025620), (80, 1924339), (95, 1620496), (152, 1012810), (190, 810248), (304, 506405), (380, 405124), (760, 202562), (1520, 101281)]