645256960

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17383}}^1$

素因数の和:17433

約数の個数: 72

約数和(自身を含む): 1598980320

約数和(自身を除く): 953723360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3712, 4640, 7424, 9280, 17383, 18560, 34766, 37120, 69532, 86915, 139064, 173830, 278128, 347660, 504107, 556256, 695320, 1008214, 1112512, 1390640, 2016428, 2225024, 2520535, 2781280, 4032856, 4450048, 5041070, 5562560, 8065712, 10082140, 11125120, 16131424, 20164280, 22250240, 32262848, 40328560, 64525696, 80657120, 129051392, 161314240, 322628480, 645256960]

約数ペア:

[(1, 645256960), (2, 322628480), (4, 161314240), (5, 129051392), (8, 80657120), (10, 64525696), (16, 40328560), (20, 32262848), (29, 22250240), (32, 20164280), (40, 16131424), (58, 11125120), (64, 10082140), (80, 8065712), (116, 5562560), (128, 5041070), (145, 4450048), (160, 4032856), (232, 2781280), (256, 2520535), (290, 2225024), (320, 2016428), (464, 1390640), (580, 1112512), (640, 1008214), (928, 695320), (1160, 556256), (1280, 504107), (1856, 347660), (2320, 278128), (3712, 173830), (4640, 139064), (7424, 86915), (9280, 69532), (17383, 37120), (18560, 34766)]