321641460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{643}}^1$

素因数の和:1062

約数の個数: 144

約数和(自身を含む): 1119570816

約数和(自身を除く): 797929356

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, 315, 397, 420, 630, 643, 794, 1191, 1260, 1286, 1588, 1929, 1985, 2382, 2572, 2779, 3215, 3573, 3858, 3970, 4501, 4764, 5558, 5787, 5955, 6430, 7146, 7716, 7940, 8337, 9002, 9645, 11116, 11574, 11910, 12860, 13503, 13895, 14292, 16674, 17865, 18004, 19290, 22505, 23148, 23820, 25011, 27006, 27790, 28935, 33348, 35730, 38580, 40509, 41685, 45010, 50022, 54012, 55580, 57870, 67515, 71460, 81018, 83370, 90020, 100044, 115740, 125055, 135030, 162036, 166740, 202545, 250110, 255271, 270060, 405090, 500220, 510542, 765813, 810180, 1021084, 1276355, 1531626, 1786897, 2297439, 2552710, 3063252, 3573794, 3829065, 4594878, 5105420, 5360691, 7147588, 7658130, 8934485, 9189756, 10721382, 11487195, 15316260, 16082073, 17868970, 21442764, 22974390, 26803455, 32164146, 35737940, 45948780, 53606910, 64328292, 80410365, 107213820, 160820730, 321641460]

約数ペア:

[(1, 321641460), (2, 160820730), (3, 107213820), (4, 80410365), (5, 64328292), (6, 53606910), (7, 45948780), (9, 35737940), (10, 32164146), (12, 26803455), (14, 22974390), (15, 21442764), (18, 17868970), (20, 16082073), (21, 15316260), (28, 11487195), (30, 10721382), (35, 9189756), (36, 8934485), (42, 7658130), (45, 7147588), (60, 5360691), (63, 5105420), (70, 4594878), (84, 3829065), (90, 3573794), (105, 3063252), (126, 2552710), (140, 2297439), (180, 1786897), (210, 1531626), (252, 1276355), (315, 1021084), (397, 810180), (420, 765813), (630, 510542), (643, 500220), (794, 405090), (1191, 270060), (1260, 255271), (1286, 250110), (1588, 202545), (1929, 166740), (1985, 162036), (2382, 135030), (2572, 125055), (2779, 115740), (3215, 100044), (3573, 90020), (3858, 83370), (3970, 81018), (4501, 71460), (4764, 67515), (5558, 57870), (5787, 55580), (5955, 54012), (6430, 50022), (7146, 45010), (7716, 41685), (7940, 40509), (8337, 38580), (9002, 35730), (9645, 33348), (11116, 28935), (11574, 27790), (11910, 27006), (12860, 25011), (13503, 23820), (13895, 23148), (14292, 22505), (16674, 19290), (17865, 18004)]