164489960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3407}}^1$

素因数の和:3506

約数の個数: 64

約数和(自身を含む): 397509120

約数和(自身を除く): 233019160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2840, 3407, 4828, 6035, 6814, 9656, 12070, 13628, 17035, 24140, 27256, 34070, 48280, 57919, 68140, 115838, 136280, 231676, 241897, 289595, 463352, 483794, 579190, 967588, 1158380, 1209485, 1935176, 2316760, 2418970, 4112249, 4837940, 8224498, 9675880, 16448996, 20561245, 32897992, 41122490, 82244980, 164489960]

約数ペア:

[(1, 164489960), (2, 82244980), (4, 41122490), (5, 32897992), (8, 20561245), (10, 16448996), (17, 9675880), (20, 8224498), (34, 4837940), (40, 4112249), (68, 2418970), (71, 2316760), (85, 1935176), (136, 1209485), (142, 1158380), (170, 967588), (284, 579190), (340, 483794), (355, 463352), (568, 289595), (680, 241897), (710, 231676), (1207, 136280), (1420, 115838), (2414, 68140), (2840, 57919), (3407, 48280), (4828, 34070), (6035, 27256), (6814, 24140), (9656, 17035), (12070, 13628)]