40507380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1773

約数の個数: 72

約数和(自身を含む): 123832800

約数和(自身を除く): 83325420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1619, 1668, 2085, 2502, 2780, 3238, 4170, 4857, 5004, 6255, 6476, 8095, 8340, 9714, 12510, 14571, 16190, 19428, 24285, 25020, 29142, 32380, 48570, 58284, 72855, 97140, 145710, 225041, 291420, 450082, 675123, 900164, 1125205, 1350246, 2025369, 2250410, 2700492, 3375615, 4050738, 4500820, 6751230, 8101476, 10126845, 13502460, 20253690, 40507380]

約数ペア:

[(1, 40507380), (2, 20253690), (3, 13502460), (4, 10126845), (5, 8101476), (6, 6751230), (9, 4500820), (10, 4050738), (12, 3375615), (15, 2700492), (18, 2250410), (20, 2025369), (30, 1350246), (36, 1125205), (45, 900164), (60, 675123), (90, 450082), (139, 291420), (180, 225041), (278, 145710), (417, 97140), (556, 72855), (695, 58284), (834, 48570), (1251, 32380), (1390, 29142), (1619, 25020), (1668, 24285), (2085, 19428), (2502, 16190), (2780, 14571), (3238, 12510), (4170, 9714), (4857, 8340), (5004, 8095), (6255, 6476)]