81317568

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22291}}^1$

素因数の和:22325

約数の個数: 56

約数和(自身を含む): 226486720

約数和(自身を除く): 145169152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 152, 192, 228, 304, 456, 608, 912, 1216, 1824, 3648, 22291, 44582, 66873, 89164, 133746, 178328, 267492, 356656, 423529, 534984, 713312, 847058, 1069968, 1270587, 1426624, 1694116, 2139936, 2541174, 3388232, 4279872, 5082348, 6776464, 10164696, 13552928, 20329392, 27105856, 40658784, 81317568]

約数ペア:

[(1, 81317568), (2, 40658784), (3, 27105856), (4, 20329392), (6, 13552928), (8, 10164696), (12, 6776464), (16, 5082348), (19, 4279872), (24, 3388232), (32, 2541174), (38, 2139936), (48, 1694116), (57, 1426624), (64, 1270587), (76, 1069968), (96, 847058), (114, 713312), (152, 534984), (192, 423529), (228, 356656), (304, 267492), (456, 178328), (608, 133746), (912, 89164), (1216, 66873), (1824, 44582), (3648, 22291)]