87781560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10303}}^1$

素因数の和:10388

約数の個数: 64

約数和(自身を含む): 267079680

約数和(自身を除く): 179298120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 10303, 20606, 30909, 41212, 51515, 61818, 82424, 103030, 123636, 154545, 206060, 247272, 309090, 412120, 618180, 731513, 1236360, 1463026, 2194539, 2926052, 3657565, 4389078, 5852104, 7315130, 8778156, 10972695, 14630260, 17556312, 21945390, 29260520, 43890780, 87781560]

約数ペア:

[(1, 87781560), (2, 43890780), (3, 29260520), (4, 21945390), (5, 17556312), (6, 14630260), (8, 10972695), (10, 8778156), (12, 7315130), (15, 5852104), (20, 4389078), (24, 3657565), (30, 2926052), (40, 2194539), (60, 1463026), (71, 1236360), (120, 731513), (142, 618180), (213, 412120), (284, 309090), (355, 247272), (426, 206060), (568, 154545), (710, 123636), (852, 103030), (1065, 82424), (1420, 61818), (1704, 51515), (2130, 41212), (2840, 30909), (4260, 20606), (8520, 10303)]