207799380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1801}}^1$

素因数の和:2457

約数の個数: 72

約数和(自身を含む): 631658664

約数和(自身を除く): 423859284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 641, 1282, 1801, 1923, 2564, 3205, 3602, 3846, 5403, 5769, 6410, 7204, 7692, 9005, 9615, 10806, 11538, 12820, 16209, 18010, 19230, 21612, 23076, 27015, 28845, 32418, 36020, 38460, 54030, 57690, 64836, 81045, 108060, 115380, 162090, 324180, 1154441, 2308882, 3463323, 4617764, 5772205, 6926646, 10389969, 11544410, 13853292, 17316615, 20779938, 23088820, 34633230, 41559876, 51949845, 69266460, 103899690, 207799380]

約数ペア:

[(1, 207799380), (2, 103899690), (3, 69266460), (4, 51949845), (5, 41559876), (6, 34633230), (9, 23088820), (10, 20779938), (12, 17316615), (15, 13853292), (18, 11544410), (20, 10389969), (30, 6926646), (36, 5772205), (45, 4617764), (60, 3463323), (90, 2308882), (180, 1154441), (641, 324180), (1282, 162090), (1801, 115380), (1923, 108060), (2564, 81045), (3205, 64836), (3602, 57690), (3846, 54030), (5403, 38460), (5769, 36020), (6410, 32418), (7204, 28845), (7692, 27015), (9005, 23076), (9615, 21612), (10806, 19230), (11538, 18010), (12820, 16209)]