40506420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{977}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 113698368

約数和(自身を除く): 73191948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 977, 1382, 1954, 2073, 2764, 2931, 3455, 3908, 4146, 4885, 5862, 6910, 8292, 9770, 10365, 11724, 13820, 14655, 19540, 20730, 29310, 41460, 58620, 675107, 1350214, 2025321, 2700428, 3375535, 4050642, 6751070, 8101284, 10126605, 13502140, 20253210, 40506420]

約数ペア:

[(1, 40506420), (2, 20253210), (3, 13502140), (4, 10126605), (5, 8101284), (6, 6751070), (10, 4050642), (12, 3375535), (15, 2700428), (20, 2025321), (30, 1350214), (60, 675107), (691, 58620), (977, 41460), (1382, 29310), (1954, 20730), (2073, 19540), (2764, 14655), (2931, 13820), (3455, 11724), (3908, 10365), (4146, 9770), (4885, 8292), (5862, 6910)]