82812060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 251976816

約数和(自身を除く): 169164756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 937, 982, 1473, 1874, 1964, 2455, 2811, 2946, 3748, 4419, 4685, 4910, 5622, 5892, 7365, 8433, 8838, 9370, 9820, 11244, 14055, 14730, 16866, 17676, 18740, 22095, 28110, 29460, 33732, 42165, 44190, 56220, 84330, 88380, 168660, 460067, 920134, 1380201, 1840268, 2300335, 2760402, 4140603, 4600670, 5520804, 6901005, 8281206, 9201340, 13802010, 16562412, 20703015, 27604020, 41406030, 82812060]

約数ペア:

[(1, 82812060), (2, 41406030), (3, 27604020), (4, 20703015), (5, 16562412), (6, 13802010), (9, 9201340), (10, 8281206), (12, 6901005), (15, 5520804), (18, 4600670), (20, 4140603), (30, 2760402), (36, 2300335), (45, 1840268), (60, 1380201), (90, 920134), (180, 460067), (491, 168660), (937, 88380), (982, 84330), (1473, 56220), (1874, 44190), (1964, 42165), (2455, 33732), (2811, 29460), (2946, 28110), (3748, 22095), (4419, 18740), (4685, 17676), (4910, 16866), (5622, 14730), (5892, 14055), (7365, 11244), (8433, 9820), (8838, 9370)]