242557980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{769}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 778229760

約数和(自身を除く): 535671780

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, 751, 769, 1502, 1538, 2253, 2307, 3004, 3076, 3755, 3845, 4506, 4614, 5257, 5383, 7510, 7690, 9012, 9228, 10514, 10766, 11265, 11535, 15020, 15380, 15771, 16149, 21028, 21532, 22530, 23070, 26285, 26915, 31542, 32298, 45060, 46140, 52570, 53830, 63084, 64596, 78855, 80745, 105140, 107660, 157710, 161490, 315420, 322980, 577519, 1155038, 1732557, 2310076, 2887595, 3465114, 4042633, 5775190, 6930228, 8085266, 8662785, 11550380, 12127899, 16170532, 17325570, 20213165, 24255798, 34651140, 40426330, 48511596, 60639495, 80852660, 121278990, 242557980]

約数ペア:

[(1, 242557980), (2, 121278990), (3, 80852660), (4, 60639495), (5, 48511596), (6, 40426330), (7, 34651140), (10, 24255798), (12, 20213165), (14, 17325570), (15, 16170532), (20, 12127899), (21, 11550380), (28, 8662785), (30, 8085266), (35, 6930228), (42, 5775190), (60, 4042633), (70, 3465114), (84, 2887595), (105, 2310076), (140, 1732557), (210, 1155038), (420, 577519), (751, 322980), (769, 315420), (1502, 161490), (1538, 157710), (2253, 107660), (2307, 105140), (3004, 80745), (3076, 78855), (3755, 64596), (3845, 63084), (4506, 53830), (4614, 52570), (5257, 46140), (5383, 45060), (7510, 32298), (7690, 31542), (9012, 26915), (9228, 26285), (10514, 23070), (10766, 22530), (11265, 21532), (11535, 21028), (15020, 16149), (15380, 15771)]