120958120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 280227600

約数和(自身を除く): 159269480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 122, 178, 244, 305, 356, 445, 488, 557, 610, 712, 890, 1114, 1220, 1780, 2228, 2440, 2785, 3560, 4456, 5429, 5570, 10858, 11140, 21716, 22280, 27145, 33977, 43432, 49573, 54290, 67954, 99146, 108580, 135908, 169885, 198292, 217160, 247865, 271816, 339770, 396584, 495730, 679540, 991460, 1359080, 1982920, 3023953, 6047906, 12095812, 15119765, 24191624, 30239530, 60479060, 120958120]

約数ペア:

[(1, 120958120), (2, 60479060), (4, 30239530), (5, 24191624), (8, 15119765), (10, 12095812), (20, 6047906), (40, 3023953), (61, 1982920), (89, 1359080), (122, 991460), (178, 679540), (244, 495730), (305, 396584), (356, 339770), (445, 271816), (488, 247865), (557, 217160), (610, 198292), (712, 169885), (890, 135908), (1114, 108580), (1220, 99146), (1780, 67954), (2228, 54290), (2440, 49573), (2785, 43432), (3560, 33977), (4456, 27145), (5429, 22280), (5570, 21716), (10858, 11140)]