1620172020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{2389}}^1$

素因数の和:2617

約数の個数: 96

約数和(自身を含む): 4625510400

約数和(自身を除く): 3005338380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 127, 178, 254, 267, 356, 381, 445, 508, 534, 635, 762, 890, 1068, 1270, 1335, 1524, 1780, 1905, 2389, 2540, 2670, 3810, 4778, 5340, 7167, 7620, 9556, 11303, 11945, 14334, 22606, 23890, 28668, 33909, 35835, 45212, 47780, 56515, 67818, 71670, 113030, 135636, 143340, 169545, 212621, 226060, 303403, 339090, 425242, 606806, 637863, 678180, 850484, 910209, 1063105, 1213612, 1275726, 1517015, 1820418, 2126210, 2551452, 3034030, 3189315, 3640836, 4252420, 4551045, 6068060, 6378630, 9102090, 12757260, 18204180, 27002867, 54005734, 81008601, 108011468, 135014335, 162017202, 270028670, 324034404, 405043005, 540057340, 810086010, 1620172020]

約数ペア:

[(1, 1620172020), (2, 810086010), (3, 540057340), (4, 405043005), (5, 324034404), (6, 270028670), (10, 162017202), (12, 135014335), (15, 108011468), (20, 81008601), (30, 54005734), (60, 27002867), (89, 18204180), (127, 12757260), (178, 9102090), (254, 6378630), (267, 6068060), (356, 4551045), (381, 4252420), (445, 3640836), (508, 3189315), (534, 3034030), (635, 2551452), (762, 2126210), (890, 1820418), (1068, 1517015), (1270, 1275726), (1335, 1213612), (1524, 1063105), (1780, 910209), (1905, 850484), (2389, 678180), (2540, 637863), (2670, 606806), (3810, 425242), (4778, 339090), (5340, 303403), (7167, 226060), (7620, 212621), (9556, 169545), (11303, 143340), (11945, 135636), (14334, 113030), (22606, 71670), (23890, 67818), (28668, 56515), (33909, 47780), (35835, 45212)]