138615680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{30941}}^1$

素因数の和:30967

約数の個数: 64

約数和(自身を含む): 378730080

約数和(自身を除く): 240114400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 30941, 61882, 123764, 154705, 216587, 247528, 309410, 433174, 495056, 618820, 866348, 990112, 1082935, 1237640, 1732696, 1980224, 2165870, 2475280, 3465392, 3960448, 4331740, 4950560, 6930784, 8663480, 9901120, 13861568, 17326960, 19802240, 27723136, 34653920, 69307840, 138615680]

約数ペア:

[(1, 138615680), (2, 69307840), (4, 34653920), (5, 27723136), (7, 19802240), (8, 17326960), (10, 13861568), (14, 9901120), (16, 8663480), (20, 6930784), (28, 4950560), (32, 4331740), (35, 3960448), (40, 3465392), (56, 2475280), (64, 2165870), (70, 1980224), (80, 1732696), (112, 1237640), (128, 1082935), (140, 990112), (160, 866348), (224, 618820), (280, 495056), (320, 433174), (448, 309410), (560, 247528), (640, 216587), (896, 154705), (1120, 123764), (2240, 61882), (4480, 30941)]