721036260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{572251}}^1$

素因数の和:572273

約数の個数: 72

約数和(自身を含む): 2499596736

約数和(自身を除く): 1778560476

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, 572251, 1144502, 1716753, 2289004, 2861255, 3433506, 4005757, 5150259, 5722510, 6867012, 8011514, 8583765, 10300518, 11445020, 12017271, 16023028, 17167530, 20028785, 20601036, 24034542, 25751295, 34335060, 36051813, 40057570, 48069084, 51502590, 60086355, 72103626, 80115140, 103005180, 120172710, 144207252, 180259065, 240345420, 360518130, 721036260]

約数ペア:

[(1, 721036260), (2, 360518130), (3, 240345420), (4, 180259065), (5, 144207252), (6, 120172710), (7, 103005180), (9, 80115140), (10, 72103626), (12, 60086355), (14, 51502590), (15, 48069084), (18, 40057570), (20, 36051813), (21, 34335060), (28, 25751295), (30, 24034542), (35, 20601036), (36, 20028785), (42, 17167530), (45, 16023028), (60, 12017271), (63, 11445020), (70, 10300518), (84, 8583765), (90, 8011514), (105, 6867012), (126, 5722510), (140, 5150259), (180, 4005757), (210, 3433506), (252, 2861255), (315, 2289004), (420, 1716753), (630, 1144502), (1260, 572251)]