78146180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3467}}^1$

素因数の和:3513

約数の個数: 72

約数和(自身を含む): 199257408

約数和(自身を除く): 121111228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 3467, 4508, 5635, 6934, 11270, 13868, 17335, 22540, 24269, 34670, 48538, 69340, 79741, 97076, 121345, 159482, 169883, 242690, 318964, 339766, 398705, 485380, 558187, 679532, 797410, 849415, 1116374, 1594820, 1698830, 2232748, 2790935, 3397660, 3907309, 5581870, 7814618, 11163740, 15629236, 19536545, 39073090, 78146180]

約数ペア:

[(1, 78146180), (2, 39073090), (4, 19536545), (5, 15629236), (7, 11163740), (10, 7814618), (14, 5581870), (20, 3907309), (23, 3397660), (28, 2790935), (35, 2232748), (46, 1698830), (49, 1594820), (70, 1116374), (92, 849415), (98, 797410), (115, 679532), (140, 558187), (161, 485380), (196, 398705), (230, 339766), (245, 318964), (322, 242690), (460, 169883), (490, 159482), (644, 121345), (805, 97076), (980, 79741), (1127, 69340), (1610, 48538), (2254, 34670), (3220, 24269), (3467, 22540), (4508, 17335), (5635, 13868), (6934, 11270)]