15531560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3209}}^1$

素因数の和:3242

約数の個数: 48

約数和(自身を含む): 38423700

約数和(自身を除く): 22892140

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3209, 4840, 6418, 12836, 16045, 25672, 32090, 35299, 64180, 70598, 128360, 141196, 176495, 282392, 352990, 388289, 705980, 776578, 1411960, 1553156, 1941445, 3106312, 3882890, 7765780, 15531560]

約数ペア:

[(1, 15531560), (2, 7765780), (4, 3882890), (5, 3106312), (8, 1941445), (10, 1553156), (11, 1411960), (20, 776578), (22, 705980), (40, 388289), (44, 352990), (55, 282392), (88, 176495), (110, 141196), (121, 128360), (220, 70598), (242, 64180), (440, 35299), (484, 32090), (605, 25672), (968, 16045), (1210, 12836), (2420, 6418), (3209, 4840)]