28326060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22481}}^1$

素因数の和:22503

約数の個数: 72

約数和(自身を含む): 98201376

約数和(自身を除く): 69875316

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, 22481, 44962, 67443, 89924, 112405, 134886, 157367, 202329, 224810, 269772, 314734, 337215, 404658, 449620, 472101, 629468, 674430, 786835, 809316, 944202, 1011645, 1348860, 1416303, 1573670, 1888404, 2023290, 2360505, 2832606, 3147340, 4046580, 4721010, 5665212, 7081515, 9442020, 14163030, 28326060]

約数ペア:

[(1, 28326060), (2, 14163030), (3, 9442020), (4, 7081515), (5, 5665212), (6, 4721010), (7, 4046580), (9, 3147340), (10, 2832606), (12, 2360505), (14, 2023290), (15, 1888404), (18, 1573670), (20, 1416303), (21, 1348860), (28, 1011645), (30, 944202), (35, 809316), (36, 786835), (42, 674430), (45, 629468), (60, 472101), (63, 449620), (70, 404658), (84, 337215), (90, 314734), (105, 269772), (126, 224810), (140, 202329), (180, 157367), (210, 134886), (252, 112405), (315, 89924), (420, 67443), (630, 44962), (1260, 22481)]