1520515040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{78539}}^1$

素因数の和:78576

約数の個数: 72

約数和(自身を含む): 3948519960

約数和(自身を除く): 2428004920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 78539, 157078, 314156, 392695, 628312, 785390, 863929, 1256624, 1570780, 1727858, 2513248, 3141560, 3455716, 4319645, 6283120, 6911432, 8639290, 9503219, 12566240, 13822864, 17278580, 19006438, 27645728, 34557160, 38012876, 47516095, 69114320, 76025752, 95032190, 138228640, 152051504, 190064380, 304103008, 380128760, 760257520, 1520515040]

約数ペア:

[(1, 1520515040), (2, 760257520), (4, 380128760), (5, 304103008), (8, 190064380), (10, 152051504), (11, 138228640), (16, 95032190), (20, 76025752), (22, 69114320), (32, 47516095), (40, 38012876), (44, 34557160), (55, 27645728), (80, 19006438), (88, 17278580), (110, 13822864), (121, 12566240), (160, 9503219), (176, 8639290), (220, 6911432), (242, 6283120), (352, 4319645), (440, 3455716), (484, 3141560), (605, 2513248), (880, 1727858), (968, 1570780), (1210, 1256624), (1760, 863929), (1936, 785390), (2420, 628312), (3872, 392695), (4840, 314156), (9680, 157078), (19360, 78539)]