87940260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1901}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 267930936

約数和(自身を除く): 179990676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 1901, 2313, 2570, 3084, 3802, 3855, 4626, 5140, 5703, 7604, 7710, 9252, 9505, 11406, 11565, 15420, 17109, 19010, 22812, 23130, 28515, 34218, 38020, 46260, 57030, 68436, 85545, 114060, 171090, 342180, 488557, 977114, 1465671, 1954228, 2442785, 2931342, 4397013, 4885570, 5862684, 7328355, 8794026, 9771140, 14656710, 17588052, 21985065, 29313420, 43970130, 87940260]

約数ペア:

[(1, 87940260), (2, 43970130), (3, 29313420), (4, 21985065), (5, 17588052), (6, 14656710), (9, 9771140), (10, 8794026), (12, 7328355), (15, 5862684), (18, 4885570), (20, 4397013), (30, 2931342), (36, 2442785), (45, 1954228), (60, 1465671), (90, 977114), (180, 488557), (257, 342180), (514, 171090), (771, 114060), (1028, 85545), (1285, 68436), (1542, 57030), (1901, 46260), (2313, 38020), (2570, 34218), (3084, 28515), (3802, 23130), (3855, 22812), (4626, 19010), (5140, 17109), (5703, 15420), (7604, 11565), (7710, 11406), (9252, 9505)]