339921280

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8707}}^1$

素因数の和:8787

約数の個数: 64

約数和(自身を含む): 826040880

約数和(自身を除く): 486119600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 8707, 9760, 17414, 19520, 34828, 39040, 43535, 69656, 87070, 139312, 174140, 278624, 348280, 531127, 557248, 696560, 1062254, 1114496, 1393120, 2124508, 2655635, 2786240, 4249016, 5311270, 5572480, 8498032, 10622540, 16996064, 21245080, 33992128, 42490160, 67984256, 84980320, 169960640, 339921280]

約数ペア:

[(1, 339921280), (2, 169960640), (4, 84980320), (5, 67984256), (8, 42490160), (10, 33992128), (16, 21245080), (20, 16996064), (32, 10622540), (40, 8498032), (61, 5572480), (64, 5311270), (80, 4249016), (122, 2786240), (128, 2655635), (160, 2124508), (244, 1393120), (305, 1114496), (320, 1062254), (488, 696560), (610, 557248), (640, 531127), (976, 348280), (1220, 278624), (1952, 174140), (2440, 139312), (3904, 87070), (4880, 69656), (7808, 43535), (8707, 39040), (9760, 34828), (17414, 19520)]