405675480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{482947}}^1$

素因数の和:482968

約数の個数: 64

約数和(自身を含む): 1390890240

約数和(自身を除く): 985214760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 482947, 965894, 1448841, 1931788, 2414735, 2897682, 3380629, 3863576, 4829470, 5795364, 6761258, 7244205, 9658940, 10141887, 11590728, 13522516, 14488410, 16903145, 19317880, 20283774, 27045032, 28976820, 33806290, 40567548, 50709435, 57953640, 67612580, 81135096, 101418870, 135225160, 202837740, 405675480]

約数ペア:

[(1, 405675480), (2, 202837740), (3, 135225160), (4, 101418870), (5, 81135096), (6, 67612580), (7, 57953640), (8, 50709435), (10, 40567548), (12, 33806290), (14, 28976820), (15, 27045032), (20, 20283774), (21, 19317880), (24, 16903145), (28, 14488410), (30, 13522516), (35, 11590728), (40, 10141887), (42, 9658940), (56, 7244205), (60, 6761258), (70, 5795364), (84, 4829470), (105, 3863576), (120, 3380629), (140, 2897682), (168, 2414735), (210, 1931788), (280, 1448841), (420, 965894), (840, 482947)]