977881520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{158747}}^1$

素因数の和:158778

約数の個数: 80

約数和(自身を含む): 2834604288

約数和(自身を除く): 1856722768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 158747, 317494, 634988, 793735, 1111229, 1269976, 1587470, 1746217, 2222458, 2539952, 3174940, 3492434, 4444916, 5556145, 6349880, 6984868, 8731085, 8889832, 11112290, 12223519, 12699760, 13969736, 17462170, 17779664, 22224580, 24447038, 27939472, 34924340, 44449160, 48894076, 61117595, 69848680, 88898320, 97788152, 122235190, 139697360, 195576304, 244470380, 488940760, 977881520]

約数ペア:

[(1, 977881520), (2, 488940760), (4, 244470380), (5, 195576304), (7, 139697360), (8, 122235190), (10, 97788152), (11, 88898320), (14, 69848680), (16, 61117595), (20, 48894076), (22, 44449160), (28, 34924340), (35, 27939472), (40, 24447038), (44, 22224580), (55, 17779664), (56, 17462170), (70, 13969736), (77, 12699760), (80, 12223519), (88, 11112290), (110, 8889832), (112, 8731085), (140, 6984868), (154, 6349880), (176, 5556145), (220, 4444916), (280, 3492434), (308, 3174940), (385, 2539952), (440, 2222458), (560, 1746217), (616, 1587470), (770, 1269976), (880, 1111229), (1232, 793735), (1540, 634988), (3080, 317494), (6160, 158747)]