128165880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17509}}^1$

素因数の和:17584

約数の個数: 64

約数和(自身を含む): 390823200

約数和(自身を除く): 262657320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 17509, 35018, 52527, 70036, 87545, 105054, 140072, 175090, 210108, 262635, 350180, 420216, 525270, 700360, 1050540, 1068049, 2101080, 2136098, 3204147, 4272196, 5340245, 6408294, 8544392, 10680490, 12816588, 16020735, 21360980, 25633176, 32041470, 42721960, 64082940, 128165880]

約数ペア:

[(1, 128165880), (2, 64082940), (3, 42721960), (4, 32041470), (5, 25633176), (6, 21360980), (8, 16020735), (10, 12816588), (12, 10680490), (15, 8544392), (20, 6408294), (24, 5340245), (30, 4272196), (40, 3204147), (60, 2136098), (61, 2101080), (120, 1068049), (122, 1050540), (183, 700360), (244, 525270), (305, 420216), (366, 350180), (488, 262635), (610, 210108), (732, 175090), (915, 140072), (1220, 105054), (1464, 87545), (1830, 70036), (2440, 52527), (3660, 35018), (7320, 17509)]