218860740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173699}}^1$

素因数の和:173721

約数の個数: 72

約数和(自身を含む): 758721600

約数和(自身を除く): 539860860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 173699, 347398, 521097, 694796, 868495, 1042194, 1215893, 1563291, 1736990, 2084388, 2431786, 2605485, 3126582, 3473980, 3647679, 4863572, 5210970, 6079465, 6253164, 7295358, 7816455, 10421940, 10943037, 12158930, 14590716, 15632910, 18238395, 21886074, 24317860, 31265820, 36476790, 43772148, 54715185, 72953580, 109430370, 218860740]

約数ペア:

[(1, 218860740), (2, 109430370), (3, 72953580), (4, 54715185), (5, 43772148), (6, 36476790), (7, 31265820), (9, 24317860), (10, 21886074), (12, 18238395), (14, 15632910), (15, 14590716), (18, 12158930), (20, 10943037), (21, 10421940), (28, 7816455), (30, 7295358), (35, 6253164), (36, 6079465), (42, 5210970), (45, 4863572), (60, 3647679), (63, 3473980), (70, 3126582), (84, 2605485), (90, 2431786), (105, 2084388), (126, 1736990), (140, 1563291), (180, 1215893), (210, 1042194), (252, 868495), (315, 694796), (420, 521097), (630, 347398), (1260, 173699)]