81476256

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2351}}^1$

素因数の和:2402

約数の個数: 72

約数和(自身を含む): 225820224

約数和(自身を除く): 144343968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 608, 722, 912, 1083, 1444, 1824, 2166, 2351, 2888, 4332, 4702, 5776, 7053, 8664, 9404, 11552, 14106, 17328, 18808, 28212, 34656, 37616, 44669, 56424, 75232, 89338, 112848, 134007, 178676, 225696, 268014, 357352, 536028, 714704, 848711, 1072056, 1429408, 1697422, 2144112, 2546133, 3394844, 4288224, 5092266, 6789688, 10184532, 13579376, 20369064, 27158752, 40738128, 81476256]

約数ペア:

[(1, 81476256), (2, 40738128), (3, 27158752), (4, 20369064), (6, 13579376), (8, 10184532), (12, 6789688), (16, 5092266), (19, 4288224), (24, 3394844), (32, 2546133), (38, 2144112), (48, 1697422), (57, 1429408), (76, 1072056), (96, 848711), (114, 714704), (152, 536028), (228, 357352), (304, 268014), (361, 225696), (456, 178676), (608, 134007), (722, 112848), (912, 89338), (1083, 75232), (1444, 56424), (1824, 44669), (2166, 37616), (2351, 34656), (2888, 28212), (4332, 18808), (4702, 17328), (5776, 14106), (7053, 11552), (8664, 9404)]