12200120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 29160000

約数和(自身を除く): 16959880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 149, 178, 184, 230, 298, 356, 445, 460, 596, 712, 745, 890, 920, 1192, 1490, 1780, 2047, 2980, 3427, 3560, 4094, 5960, 6854, 8188, 10235, 13261, 13708, 16376, 17135, 20470, 26522, 27416, 34270, 40940, 53044, 66305, 68540, 81880, 106088, 132610, 137080, 265220, 305003, 530440, 610006, 1220012, 1525015, 2440024, 3050030, 6100060, 12200120]

約数ペア:

[(1, 12200120), (2, 6100060), (4, 3050030), (5, 2440024), (8, 1525015), (10, 1220012), (20, 610006), (23, 530440), (40, 305003), (46, 265220), (89, 137080), (92, 132610), (115, 106088), (149, 81880), (178, 68540), (184, 66305), (230, 53044), (298, 40940), (356, 34270), (445, 27416), (460, 26522), (596, 20470), (712, 17135), (745, 16376), (890, 13708), (920, 13261), (1192, 10235), (1490, 8188), (1780, 6854), (2047, 5960), (2980, 4094), (3427, 3560)]