31437510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 81950400

約数和(自身を除く): 50512890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 149, 195, 298, 390, 447, 541, 745, 894, 1082, 1490, 1623, 1937, 2235, 2705, 3246, 3874, 4470, 5410, 5811, 7033, 8115, 9685, 11622, 14066, 16230, 19370, 21099, 29055, 35165, 42198, 58110, 70330, 80609, 105495, 161218, 210990, 241827, 403045, 483654, 806090, 1047917, 1209135, 2095834, 2418270, 3143751, 5239585, 6287502, 10479170, 15718755, 31437510]

約数ペア:

[(1, 31437510), (2, 15718755), (3, 10479170), (5, 6287502), (6, 5239585), (10, 3143751), (13, 2418270), (15, 2095834), (26, 1209135), (30, 1047917), (39, 806090), (65, 483654), (78, 403045), (130, 241827), (149, 210990), (195, 161218), (298, 105495), (390, 80609), (447, 70330), (541, 58110), (745, 42198), (894, 35165), (1082, 29055), (1490, 21099), (1623, 19370), (1937, 16230), (2235, 14066), (2705, 11622), (3246, 9685), (3874, 8115), (4470, 7033), (5410, 5811)]