12554780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 32060448

約数和(自身を除く): 19505668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 557, 644, 805, 980, 1114, 1127, 1610, 2228, 2254, 2785, 3220, 3899, 4508, 5570, 5635, 7798, 11140, 11270, 12811, 15596, 19495, 22540, 25622, 27293, 38990, 51244, 54586, 64055, 77980, 89677, 109172, 128110, 136465, 179354, 256220, 272930, 358708, 448385, 545860, 627739, 896770, 1255478, 1793540, 2510956, 3138695, 6277390, 12554780]

約数ペア:

[(1, 12554780), (2, 6277390), (4, 3138695), (5, 2510956), (7, 1793540), (10, 1255478), (14, 896770), (20, 627739), (23, 545860), (28, 448385), (35, 358708), (46, 272930), (49, 256220), (70, 179354), (92, 136465), (98, 128110), (115, 109172), (140, 89677), (161, 77980), (196, 64055), (230, 54586), (245, 51244), (322, 38990), (460, 27293), (490, 25622), (557, 22540), (644, 19495), (805, 15596), (980, 12811), (1114, 11270), (1127, 11140), (1610, 7798), (2228, 5635), (2254, 5570), (2785, 4508), (3220, 3899)]