15245780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 36789984

約数和(自身を除く): 21544204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 131, 220, 230, 253, 262, 460, 506, 524, 529, 655, 1012, 1058, 1265, 1310, 1441, 2116, 2530, 2620, 2645, 2882, 3013, 5060, 5290, 5764, 5819, 6026, 7205, 10580, 11638, 12052, 14410, 15065, 23276, 28820, 29095, 30130, 33143, 58190, 60260, 66286, 69299, 116380, 132572, 138598, 165715, 277196, 331430, 346495, 662860, 692990, 762289, 1385980, 1524578, 3049156, 3811445, 7622890, 15245780]

約数ペア:

[(1, 15245780), (2, 7622890), (4, 3811445), (5, 3049156), (10, 1524578), (11, 1385980), (20, 762289), (22, 692990), (23, 662860), (44, 346495), (46, 331430), (55, 277196), (92, 165715), (110, 138598), (115, 132572), (131, 116380), (220, 69299), (230, 66286), (253, 60260), (262, 58190), (460, 33143), (506, 30130), (524, 29095), (529, 28820), (655, 23276), (1012, 15065), (1058, 14410), (1265, 12052), (1310, 11638), (1441, 10580), (2116, 7205), (2530, 6026), (2620, 5819), (2645, 5764), (2882, 5290), (3013, 5060)]