78425460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1823}}^1$

素因数の和:2077

約数の個数: 72

約数和(自身を含む): 239016960

約数和(自身を除く): 160591500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1823, 2151, 2390, 2868, 3585, 3646, 4302, 4780, 5469, 7170, 7292, 8604, 9115, 10755, 10938, 14340, 16407, 18230, 21510, 21876, 27345, 32814, 36460, 43020, 54690, 65628, 82035, 109380, 164070, 328140, 435697, 871394, 1307091, 1742788, 2178485, 2614182, 3921273, 4356970, 5228364, 6535455, 7842546, 8713940, 13070910, 15685092, 19606365, 26141820, 39212730, 78425460]

約数ペア:

[(1, 78425460), (2, 39212730), (3, 26141820), (4, 19606365), (5, 15685092), (6, 13070910), (9, 8713940), (10, 7842546), (12, 6535455), (15, 5228364), (18, 4356970), (20, 3921273), (30, 2614182), (36, 2178485), (45, 1742788), (60, 1307091), (90, 871394), (180, 435697), (239, 328140), (478, 164070), (717, 109380), (956, 82035), (1195, 65628), (1434, 54690), (1823, 43020), (2151, 36460), (2390, 32814), (2868, 27345), (3585, 21876), (3646, 21510), (4302, 18230), (4780, 16407), (5469, 14340), (7170, 10938), (7292, 10755), (8604, 9115)]