156144420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1811}}^1$

素因数の和:2305

約数の個数: 72

約数和(自身を含む): 474888960

約数和(自身を除く): 318744540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1811, 1916, 2395, 2874, 3622, 4311, 4790, 5433, 5748, 7185, 7244, 8622, 9055, 9580, 10866, 14370, 16299, 17244, 18110, 21555, 21732, 27165, 28740, 32598, 36220, 43110, 54330, 65196, 81495, 86220, 108660, 162990, 325980, 867469, 1734938, 2602407, 3469876, 4337345, 5204814, 7807221, 8674690, 10409628, 13012035, 15614442, 17349380, 26024070, 31228884, 39036105, 52048140, 78072210, 156144420]

約数ペア:

[(1, 156144420), (2, 78072210), (3, 52048140), (4, 39036105), (5, 31228884), (6, 26024070), (9, 17349380), (10, 15614442), (12, 13012035), (15, 10409628), (18, 8674690), (20, 7807221), (30, 5204814), (36, 4337345), (45, 3469876), (60, 2602407), (90, 1734938), (180, 867469), (479, 325980), (958, 162990), (1437, 108660), (1811, 86220), (1916, 81495), (2395, 65196), (2874, 54330), (3622, 43110), (4311, 36220), (4790, 32598), (5433, 28740), (5748, 27165), (7185, 21732), (7244, 21555), (8622, 18110), (9055, 17244), (9580, 16299), (10866, 14370)]