81204732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4079}}^1$

素因数の和:4175

約数の個数: 72

約数和(自身を含む): 237619200

約数和(自身を除く): 156414468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3318, 4079, 4977, 6636, 8158, 9954, 12237, 16316, 19908, 24474, 28553, 36711, 48948, 57106, 73422, 85659, 114212, 146844, 171318, 256977, 322241, 342636, 513954, 644482, 966723, 1027908, 1288964, 1933446, 2255687, 2900169, 3866892, 4511374, 5800338, 6767061, 9022748, 11600676, 13534122, 20301183, 27068244, 40602366, 81204732]

約数ペア:

[(1, 81204732), (2, 40602366), (3, 27068244), (4, 20301183), (6, 13534122), (7, 11600676), (9, 9022748), (12, 6767061), (14, 5800338), (18, 4511374), (21, 3866892), (28, 2900169), (36, 2255687), (42, 1933446), (63, 1288964), (79, 1027908), (84, 966723), (126, 644482), (158, 513954), (237, 342636), (252, 322241), (316, 256977), (474, 171318), (553, 146844), (711, 114212), (948, 85659), (1106, 73422), (1422, 57106), (1659, 48948), (2212, 36711), (2844, 28553), (3318, 24474), (4079, 19908), (4977, 16316), (6636, 12237), (8158, 9954)]