1636805120

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27799}}^1$

素因数の和:27845

約数の個数: 80

約数和(自身を含む): 4095273600

約数和(自身を除く): 2458468480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1840, 2560, 2944, 3680, 5888, 7360, 11776, 14720, 27799, 29440, 55598, 58880, 111196, 138995, 222392, 277990, 444784, 555980, 639377, 889568, 1111960, 1278754, 1779136, 2223920, 2557508, 3196885, 3558272, 4447840, 5115016, 6393770, 7116544, 8895680, 10230032, 12787540, 14233088, 17791360, 20460064, 25575080, 35582720, 40920128, 51150160, 71165440, 81840256, 102300320, 163680512, 204600640, 327361024, 409201280, 818402560, 1636805120]

約数ペア:

[(1, 1636805120), (2, 818402560), (4, 409201280), (5, 327361024), (8, 204600640), (10, 163680512), (16, 102300320), (20, 81840256), (23, 71165440), (32, 51150160), (40, 40920128), (46, 35582720), (64, 25575080), (80, 20460064), (92, 17791360), (115, 14233088), (128, 12787540), (160, 10230032), (184, 8895680), (230, 7116544), (256, 6393770), (320, 5115016), (368, 4447840), (460, 3558272), (512, 3196885), (640, 2557508), (736, 2223920), (920, 1779136), (1280, 1278754), (1472, 1111960), (1840, 889568), (2560, 639377), (2944, 555980), (3680, 444784), (5888, 277990), (7360, 222392), (11776, 138995), (14720, 111196), (27799, 58880), (29440, 55598)]