16656540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 49286160

約数和(自身を除く): 32629620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 769, 1083, 1140, 1444, 1538, 1805, 2166, 2307, 3076, 3610, 3845, 4332, 4614, 5415, 7220, 7690, 9228, 10830, 11535, 14611, 15380, 21660, 23070, 29222, 43833, 46140, 58444, 73055, 87666, 146110, 175332, 219165, 277609, 292220, 438330, 555218, 832827, 876660, 1110436, 1388045, 1665654, 2776090, 3331308, 4164135, 5552180, 8328270, 16656540]

約数ペア:

[(1, 16656540), (2, 8328270), (3, 5552180), (4, 4164135), (5, 3331308), (6, 2776090), (10, 1665654), (12, 1388045), (15, 1110436), (19, 876660), (20, 832827), (30, 555218), (38, 438330), (57, 292220), (60, 277609), (76, 219165), (95, 175332), (114, 146110), (190, 87666), (228, 73055), (285, 58444), (361, 46140), (380, 43833), (570, 29222), (722, 23070), (769, 21660), (1083, 15380), (1140, 14611), (1444, 11535), (1538, 10830), (1805, 9228), (2166, 7690), (2307, 7220), (3076, 5415), (3610, 4614), (3845, 4332)]