210609540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2383}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 640418688

約数和(自身を除く): 429809148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1964, 2383, 2455, 2946, 4419, 4766, 4910, 5892, 7149, 7365, 8838, 9532, 9820, 11915, 14298, 14730, 17676, 21447, 22095, 23830, 28596, 29460, 35745, 42894, 44190, 47660, 71490, 85788, 88380, 107235, 142980, 214470, 428940, 1170053, 2340106, 3510159, 4680212, 5850265, 7020318, 10530477, 11700530, 14040636, 17550795, 21060954, 23401060, 35101590, 42121908, 52652385, 70203180, 105304770, 210609540]

約数ペア:

[(1, 210609540), (2, 105304770), (3, 70203180), (4, 52652385), (5, 42121908), (6, 35101590), (9, 23401060), (10, 21060954), (12, 17550795), (15, 14040636), (18, 11700530), (20, 10530477), (30, 7020318), (36, 5850265), (45, 4680212), (60, 3510159), (90, 2340106), (180, 1170053), (491, 428940), (982, 214470), (1473, 142980), (1964, 107235), (2383, 88380), (2455, 85788), (2946, 71490), (4419, 47660), (4766, 44190), (4910, 42894), (5892, 35745), (7149, 29460), (7365, 28596), (8838, 23830), (9532, 22095), (9820, 21447), (11915, 17676), (14298, 14730)]