30945180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73679}}^1$

素因数の和:73698

約数の個数: 48

約数和(自身を含む): 99025920

約数和(自身を除く): 68080740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73679, 147358, 221037, 294716, 368395, 442074, 515753, 736790, 884148, 1031506, 1105185, 1473580, 1547259, 2063012, 2210370, 2578765, 3094518, 4420740, 5157530, 6189036, 7736295, 10315060, 15472590, 30945180]

約数ペア:

[(1, 30945180), (2, 15472590), (3, 10315060), (4, 7736295), (5, 6189036), (6, 5157530), (7, 4420740), (10, 3094518), (12, 2578765), (14, 2210370), (15, 2063012), (20, 1547259), (21, 1473580), (28, 1105185), (30, 1031506), (35, 884148), (42, 736790), (60, 515753), (70, 442074), (84, 368395), (105, 294716), (140, 221037), (210, 147358), (420, 73679)]