80197956

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 207742080

約数和(自身を除く): 127544124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 163, 173, 237, 316, 326, 346, 474, 489, 519, 652, 692, 711, 948, 978, 1038, 1422, 1467, 1557, 1956, 2076, 2844, 2934, 3114, 5868, 6228, 12877, 13667, 25754, 27334, 28199, 38631, 41001, 51508, 54668, 56398, 77262, 82002, 84597, 112796, 115893, 123003, 154524, 164004, 169194, 231786, 246006, 253791, 338388, 463572, 492012, 507582, 1015164, 2227721, 4455442, 6683163, 8910884, 13366326, 20049489, 26732652, 40098978, 80197956]

約数ペア:

[(1, 80197956), (2, 40098978), (3, 26732652), (4, 20049489), (6, 13366326), (9, 8910884), (12, 6683163), (18, 4455442), (36, 2227721), (79, 1015164), (158, 507582), (163, 492012), (173, 463572), (237, 338388), (316, 253791), (326, 246006), (346, 231786), (474, 169194), (489, 164004), (519, 154524), (652, 123003), (692, 115893), (711, 112796), (948, 84597), (978, 82002), (1038, 77262), (1422, 56398), (1467, 54668), (1557, 51508), (1956, 41001), (2076, 38631), (2844, 28199), (2934, 27334), (3114, 25754), (5868, 13667), (6228, 12877)]