31272990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 86482944

約数和(自身を除く): 55209954

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 1087, 1370, 1918, 2055, 2174, 2877, 3261, 4110, 4795, 5435, 5754, 6522, 7609, 9590, 10870, 14385, 15218, 16305, 22827, 28770, 32610, 38045, 45654, 76090, 114135, 148919, 228270, 297838, 446757, 744595, 893514, 1042433, 1489190, 2084866, 2233785, 3127299, 4467570, 5212165, 6254598, 10424330, 15636495, 31272990]

約数ペア:

[(1, 31272990), (2, 15636495), (3, 10424330), (5, 6254598), (6, 5212165), (7, 4467570), (10, 3127299), (14, 2233785), (15, 2084866), (21, 1489190), (30, 1042433), (35, 893514), (42, 744595), (70, 446757), (105, 297838), (137, 228270), (210, 148919), (274, 114135), (411, 76090), (685, 45654), (822, 38045), (959, 32610), (1087, 28770), (1370, 22827), (1918, 16305), (2055, 15218), (2174, 14385), (2877, 10870), (3261, 9590), (4110, 7609), (4795, 6522), (5435, 5754)]