121805880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{145007}}^1$

素因数の和:145028

約数の個数: 64

約数和(自身を含む): 417623040

約数和(自身を除く): 295817160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 145007, 290014, 435021, 580028, 725035, 870042, 1015049, 1160056, 1450070, 1740084, 2030098, 2175105, 2900140, 3045147, 3480168, 4060196, 4350210, 5075245, 5800280, 6090294, 8120392, 8700420, 10150490, 12180588, 15225735, 17400840, 20300980, 24361176, 30451470, 40601960, 60902940, 121805880]

約数ペア:

[(1, 121805880), (2, 60902940), (3, 40601960), (4, 30451470), (5, 24361176), (6, 20300980), (7, 17400840), (8, 15225735), (10, 12180588), (12, 10150490), (14, 8700420), (15, 8120392), (20, 6090294), (21, 5800280), (24, 5075245), (28, 4350210), (30, 4060196), (35, 3480168), (40, 3045147), (42, 2900140), (56, 2175105), (60, 2030098), (70, 1740084), (84, 1450070), (105, 1160056), (120, 1015049), (140, 870042), (168, 725035), (210, 580028), (280, 435021), (420, 290014), (840, 145007)]