66277720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 158293440

約数和(自身を除く): 92015720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1181, 1220, 1403, 2362, 2440, 2806, 4724, 5612, 5905, 7015, 9448, 11224, 11810, 14030, 23620, 27163, 28060, 47240, 54326, 56120, 72041, 108652, 135815, 144082, 217304, 271630, 288164, 360205, 543260, 576328, 720410, 1086520, 1440820, 1656943, 2881640, 3313886, 6627772, 8284715, 13255544, 16569430, 33138860, 66277720]

約数ペア:

[(1, 66277720), (2, 33138860), (4, 16569430), (5, 13255544), (8, 8284715), (10, 6627772), (20, 3313886), (23, 2881640), (40, 1656943), (46, 1440820), (61, 1086520), (92, 720410), (115, 576328), (122, 543260), (184, 360205), (230, 288164), (244, 271630), (305, 217304), (460, 144082), (488, 135815), (610, 108652), (920, 72041), (1181, 56120), (1220, 54326), (1403, 47240), (2362, 28060), (2440, 27163), (2806, 23620), (4724, 14030), (5612, 11810), (5905, 11224), (7015, 9448)]