15661872

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1858

約数の個数: 60

約数和(自身を含む): 44575024

約数和(自身を除く): 28913152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 1783, 2196, 2928, 3566, 4392, 5349, 7132, 8784, 10698, 14264, 16047, 21396, 28528, 32094, 42792, 64188, 85584, 108763, 128376, 217526, 256752, 326289, 435052, 652578, 870104, 978867, 1305156, 1740208, 1957734, 2610312, 3915468, 5220624, 7830936, 15661872]

約数ペア:

[(1, 15661872), (2, 7830936), (3, 5220624), (4, 3915468), (6, 2610312), (8, 1957734), (9, 1740208), (12, 1305156), (16, 978867), (18, 870104), (24, 652578), (36, 435052), (48, 326289), (61, 256752), (72, 217526), (122, 128376), (144, 108763), (183, 85584), (244, 64188), (366, 42792), (488, 32094), (549, 28528), (732, 21396), (976, 16047), (1098, 14264), (1464, 10698), (1783, 8784), (2196, 7132), (2928, 5349), (3566, 4392)]