9994644180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{290711}}^1$

素因数の和:290917

約数の個数: 72

約数和(自身を含む): 30475920384

約数和(自身を除く): 20481276204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2865, 3438, 3820, 5730, 6876, 8595, 11460, 17190, 34380, 290711, 581422, 872133, 1162844, 1453555, 1744266, 2616399, 2907110, 3488532, 4360665, 5232798, 5814220, 8721330, 10465596, 13081995, 17442660, 26163990, 52327980, 55525801, 111051602, 166577403, 222103204, 277629005, 333154806, 499732209, 555258010, 666309612, 832887015, 999464418, 1110516020, 1665774030, 1998928836, 2498661045, 3331548060, 4997322090, 9994644180]

約数ペア:

[(1, 9994644180), (2, 4997322090), (3, 3331548060), (4, 2498661045), (5, 1998928836), (6, 1665774030), (9, 1110516020), (10, 999464418), (12, 832887015), (15, 666309612), (18, 555258010), (20, 499732209), (30, 333154806), (36, 277629005), (45, 222103204), (60, 166577403), (90, 111051602), (180, 55525801), (191, 52327980), (382, 26163990), (573, 17442660), (764, 13081995), (955, 10465596), (1146, 8721330), (1719, 5814220), (1910, 5232798), (2292, 4360665), (2865, 3488532), (3438, 2907110), (3820, 2616399), (5730, 1744266), (6876, 1453555), (8595, 1162844), (11460, 872133), (17190, 581422), (34380, 290711)]