210680820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{617}}^1$

素因数の和:910

約数の個数: 144

約数和(自身を含む): 734243328

約数和(自身を除く): 523562508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 271, 315, 420, 542, 617, 630, 813, 1084, 1234, 1260, 1355, 1626, 1851, 1897, 2439, 2468, 2710, 3085, 3252, 3702, 3794, 4065, 4319, 4878, 5420, 5553, 5691, 6170, 7404, 7588, 8130, 8638, 9255, 9485, 9756, 11106, 11382, 12195, 12340, 12957, 16260, 17073, 17276, 18510, 18970, 21595, 22212, 22764, 24390, 25914, 27765, 28455, 34146, 37020, 37940, 38871, 43190, 48780, 51828, 55530, 56910, 64785, 68292, 77742, 85365, 86380, 111060, 113820, 129570, 155484, 167207, 170730, 194355, 259140, 334414, 341460, 388710, 501621, 668828, 777420, 836035, 1003242, 1170449, 1504863, 1672070, 2006484, 2340898, 2508105, 3009726, 3344140, 3511347, 4681796, 5016210, 5852245, 6019452, 7022694, 7524315, 10032420, 10534041, 11704490, 14045388, 15048630, 17556735, 21068082, 23408980, 30097260, 35113470, 42136164, 52670205, 70226940, 105340410, 210680820]

約数ペア:

[(1, 210680820), (2, 105340410), (3, 70226940), (4, 52670205), (5, 42136164), (6, 35113470), (7, 30097260), (9, 23408980), (10, 21068082), (12, 17556735), (14, 15048630), (15, 14045388), (18, 11704490), (20, 10534041), (21, 10032420), (28, 7524315), (30, 7022694), (35, 6019452), (36, 5852245), (42, 5016210), (45, 4681796), (60, 3511347), (63, 3344140), (70, 3009726), (84, 2508105), (90, 2340898), (105, 2006484), (126, 1672070), (140, 1504863), (180, 1170449), (210, 1003242), (252, 836035), (271, 777420), (315, 668828), (420, 501621), (542, 388710), (617, 341460), (630, 334414), (813, 259140), (1084, 194355), (1234, 170730), (1260, 167207), (1355, 155484), (1626, 129570), (1851, 113820), (1897, 111060), (2439, 86380), (2468, 85365), (2710, 77742), (3085, 68292), (3252, 64785), (3702, 56910), (3794, 55530), (4065, 51828), (4319, 48780), (4878, 43190), (5420, 38871), (5553, 37940), (5691, 37020), (6170, 34146), (7404, 28455), (7588, 27765), (8130, 25914), (8638, 24390), (9255, 22764), (9485, 22212), (9756, 21595), (11106, 18970), (11382, 18510), (12195, 17276), (12340, 17073), (12957, 16260)]