156973806640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{405659}}^1$

素因数の和:406370

約数の個数: 80

約数和(自身を含む): 417706479360

約数和(自身を除く): 260732672720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 691, 1382, 2764, 3455, 4837, 5528, 6910, 9674, 11056, 13820, 19348, 24185, 27640, 38696, 48370, 55280, 77392, 96740, 193480, 386960, 405659, 811318, 1622636, 2028295, 2839613, 3245272, 4056590, 5679226, 6490544, 8113180, 11358452, 14198065, 16226360, 22716904, 28396130, 32452720, 45433808, 56792260, 113584520, 227169040, 280310369, 560620738, 1121241476, 1401551845, 1962172583, 2242482952, 2803103690, 3924345166, 4484965904, 5606207380, 7848690332, 9810862915, 11212414760, 15697380664, 19621725830, 22424829520, 31394761328, 39243451660, 78486903320, 156973806640]

約数ペア:

[(1, 156973806640), (2, 78486903320), (4, 39243451660), (5, 31394761328), (7, 22424829520), (8, 19621725830), (10, 15697380664), (14, 11212414760), (16, 9810862915), (20, 7848690332), (28, 5606207380), (35, 4484965904), (40, 3924345166), (56, 2803103690), (70, 2242482952), (80, 1962172583), (112, 1401551845), (140, 1121241476), (280, 560620738), (560, 280310369), (691, 227169040), (1382, 113584520), (2764, 56792260), (3455, 45433808), (4837, 32452720), (5528, 28396130), (6910, 22716904), (9674, 16226360), (11056, 14198065), (13820, 11358452), (19348, 8113180), (24185, 6490544), (27640, 5679226), (38696, 4056590), (48370, 3245272), (55280, 2839613), (77392, 2028295), (96740, 1622636), (193480, 811318), (386960, 405659)]