28575540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22679}}^1$

素因数の和:22701

約数の個数: 72

約数和(自身を含む): 99066240

約数和(自身を除く): 70490700

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, 22679, 45358, 68037, 90716, 113395, 136074, 158753, 204111, 226790, 272148, 317506, 340185, 408222, 453580, 476259, 635012, 680370, 793765, 816444, 952518, 1020555, 1360740, 1428777, 1587530, 1905036, 2041110, 2381295, 2857554, 3175060, 4082220, 4762590, 5715108, 7143885, 9525180, 14287770, 28575540]

約数ペア:

[(1, 28575540), (2, 14287770), (3, 9525180), (4, 7143885), (5, 5715108), (6, 4762590), (7, 4082220), (9, 3175060), (10, 2857554), (12, 2381295), (14, 2041110), (15, 1905036), (18, 1587530), (20, 1428777), (21, 1360740), (28, 1020555), (30, 952518), (35, 816444), (36, 793765), (42, 680370), (45, 635012), (60, 476259), (63, 453580), (70, 408222), (84, 340185), (90, 317506), (105, 272148), (126, 226790), (140, 204111), (180, 158753), (210, 136074), (252, 113395), (315, 90716), (420, 68037), (630, 45358), (1260, 22679)]