40481820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{941}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 123439680

約数和(自身を除く): 82957860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 941, 956, 1195, 1434, 1882, 2151, 2390, 2823, 2868, 3585, 3764, 4302, 4705, 4780, 5646, 7170, 8469, 8604, 9410, 10755, 11292, 14115, 14340, 16938, 18820, 21510, 28230, 33876, 42345, 43020, 56460, 84690, 169380, 224899, 449798, 674697, 899596, 1124495, 1349394, 2024091, 2248990, 2698788, 3373485, 4048182, 4497980, 6746970, 8096364, 10120455, 13493940, 20240910, 40481820]

約数ペア:

[(1, 40481820), (2, 20240910), (3, 13493940), (4, 10120455), (5, 8096364), (6, 6746970), (9, 4497980), (10, 4048182), (12, 3373485), (15, 2698788), (18, 2248990), (20, 2024091), (30, 1349394), (36, 1124495), (45, 899596), (60, 674697), (90, 449798), (180, 224899), (239, 169380), (478, 84690), (717, 56460), (941, 43020), (956, 42345), (1195, 33876), (1434, 28230), (1882, 21510), (2151, 18820), (2390, 16938), (2823, 14340), (2868, 14115), (3585, 11292), (3764, 10755), (4302, 9410), (4705, 8604), (4780, 8469), (5646, 7170)]