80145478

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 154860336

約数和(自身を除く): 74714858

約数列:

[1, 2, 7, 14, 23, 31, 37, 46, 49, 62, 74, 98, 161, 217, 259, 322, 434, 518, 713, 851, 961, 1127, 1147, 1426, 1519, 1702, 1813, 1922, 2254, 2294, 3038, 3626, 4991, 5957, 6727, 8029, 9982, 11914, 13454, 16058, 22103, 26381, 34937, 35557, 41699, 44206, 47089, 52762, 56203, 69874, 71114, 83398, 94178, 112406, 154721, 184667, 248899, 309442, 369334, 497798, 817811, 1083047, 1292669, 1635622, 1742293, 2166094, 2585338, 3484586, 5724677, 11449354, 40072739, 80145478]

約数ペア:

[(1, 80145478), (2, 40072739), (7, 11449354), (14, 5724677), (23, 3484586), (31, 2585338), (37, 2166094), (46, 1742293), (49, 1635622), (62, 1292669), (74, 1083047), (98, 817811), (161, 497798), (217, 369334), (259, 309442), (322, 248899), (434, 184667), (518, 154721), (713, 112406), (851, 94178), (961, 83398), (1127, 71114), (1147, 69874), (1426, 56203), (1519, 52762), (1702, 47089), (1813, 44206), (1922, 41699), (2254, 35557), (2294, 34937), (3038, 26381), (3626, 22103), (4991, 16058), (5957, 13454), (6727, 11914), (8029, 9982)]