74128680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{205913}}^1$

素因数の和:205930

約数の個数: 48

約数和(自身を含む): 240919380

約数和(自身を除く): 166790700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 205913, 411826, 617739, 823652, 1029565, 1235478, 1647304, 1853217, 2059130, 2470956, 3088695, 3706434, 4118260, 4941912, 6177390, 7412868, 8236520, 9266085, 12354780, 14825736, 18532170, 24709560, 37064340, 74128680]

約数ペア:

[(1, 74128680), (2, 37064340), (3, 24709560), (4, 18532170), (5, 14825736), (6, 12354780), (8, 9266085), (9, 8236520), (10, 7412868), (12, 6177390), (15, 4941912), (18, 4118260), (20, 3706434), (24, 3088695), (30, 2470956), (36, 2059130), (40, 1853217), (45, 1647304), (60, 1235478), (72, 1029565), (90, 823652), (120, 617739), (180, 411826), (360, 205913)]