68640616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 150436800

約数和(自身を除く): 81796184

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 61, 76, 88, 122, 152, 209, 244, 418, 488, 671, 673, 836, 1159, 1342, 1346, 1672, 2318, 2684, 2692, 4636, 5368, 5384, 7403, 9272, 12749, 12787, 14806, 25498, 25574, 29612, 41053, 50996, 51148, 59224, 82106, 101992, 102296, 140657, 164212, 281314, 328424, 451583, 562628, 780007, 903166, 1125256, 1560014, 1806332, 3120028, 3612664, 6240056, 8580077, 17160154, 34320308, 68640616]

約数ペア:

[(1, 68640616), (2, 34320308), (4, 17160154), (8, 8580077), (11, 6240056), (19, 3612664), (22, 3120028), (38, 1806332), (44, 1560014), (61, 1125256), (76, 903166), (88, 780007), (122, 562628), (152, 451583), (209, 328424), (244, 281314), (418, 164212), (488, 140657), (671, 102296), (673, 101992), (836, 82106), (1159, 59224), (1342, 51148), (1346, 50996), (1672, 41053), (2318, 29612), (2684, 25574), (2692, 25498), (4636, 14806), (5368, 12787), (5384, 12749), (7403, 9272)]