78096780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1601}}^1$

素因数の和:1887

約数の個数: 72

約数和(自身を含む): 237916224

約数和(自身を除く): 159819444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1601, 1626, 2439, 2710, 3202, 3252, 4065, 4803, 4878, 5420, 6404, 8005, 8130, 9606, 9756, 12195, 14409, 16010, 16260, 19212, 24015, 24390, 28818, 32020, 48030, 48780, 57636, 72045, 96060, 144090, 288180, 433871, 867742, 1301613, 1735484, 2169355, 2603226, 3904839, 4338710, 5206452, 6508065, 7809678, 8677420, 13016130, 15619356, 19524195, 26032260, 39048390, 78096780]

約数ペア:

[(1, 78096780), (2, 39048390), (3, 26032260), (4, 19524195), (5, 15619356), (6, 13016130), (9, 8677420), (10, 7809678), (12, 6508065), (15, 5206452), (18, 4338710), (20, 3904839), (30, 2603226), (36, 2169355), (45, 1735484), (60, 1301613), (90, 867742), (180, 433871), (271, 288180), (542, 144090), (813, 96060), (1084, 72045), (1355, 57636), (1601, 48780), (1626, 48030), (2439, 32020), (2710, 28818), (3202, 24390), (3252, 24015), (4065, 19212), (4803, 16260), (4878, 16010), (5420, 14409), (6404, 12195), (8005, 9756), (8130, 9606)]