66712420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 163296000

約数和(自身を除く): 96583580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 34, 38, 46, 68, 76, 85, 92, 95, 115, 170, 190, 230, 323, 340, 380, 391, 437, 449, 460, 646, 782, 874, 898, 1292, 1564, 1615, 1748, 1796, 1955, 2185, 2245, 3230, 3910, 4370, 4490, 6460, 7429, 7633, 7820, 8531, 8740, 8980, 10327, 14858, 15266, 17062, 20654, 29716, 30532, 34124, 37145, 38165, 41308, 42655, 51635, 74290, 76330, 85310, 103270, 145027, 148580, 152660, 170620, 175559, 196213, 206540, 290054, 351118, 392426, 580108, 702236, 725135, 784852, 877795, 981065, 1450270, 1755590, 1962130, 2900540, 3335621, 3511180, 3924260, 6671242, 13342484, 16678105, 33356210, 66712420]

約数ペア:

[(1, 66712420), (2, 33356210), (4, 16678105), (5, 13342484), (10, 6671242), (17, 3924260), (19, 3511180), (20, 3335621), (23, 2900540), (34, 1962130), (38, 1755590), (46, 1450270), (68, 981065), (76, 877795), (85, 784852), (92, 725135), (95, 702236), (115, 580108), (170, 392426), (190, 351118), (230, 290054), (323, 206540), (340, 196213), (380, 175559), (391, 170620), (437, 152660), (449, 148580), (460, 145027), (646, 103270), (782, 85310), (874, 76330), (898, 74290), (1292, 51635), (1564, 42655), (1615, 41308), (1748, 38165), (1796, 37145), (1955, 34124), (2185, 30532), (2245, 29716), (3230, 20654), (3910, 17062), (4370, 15266), (4490, 14858), (6460, 10327), (7429, 8980), (7633, 8740), (7820, 8531)]