20672178480

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3190151}}^1$

素因数の和:3190176

約数の個数: 100

約数和(自身を含む): 71797560912

約数和(自身を除く): 51125382432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3190151, 6380302, 9570453, 12760604, 15950755, 19140906, 25521208, 28711359, 31901510, 38281812, 47852265, 51042416, 57422718, 63803020, 76563624, 86134077, 95704530, 114845436, 127606040, 143556795, 153127248, 172268154, 191409060, 229690872, 255212080, 258402231, 287113590, 344536308, 382818120, 430670385, 459381744, 516804462, 574227180, 689072616, 765636240, 861340770, 1033608924, 1148454360, 1292011155, 1378145232, 1722681540, 2067217848, 2296908720, 2584022310, 3445363080, 4134435696, 5168044620, 6890726160, 10336089240, 20672178480]

約数ペア:

[(1, 20672178480), (2, 10336089240), (3, 6890726160), (4, 5168044620), (5, 4134435696), (6, 3445363080), (8, 2584022310), (9, 2296908720), (10, 2067217848), (12, 1722681540), (15, 1378145232), (16, 1292011155), (18, 1148454360), (20, 1033608924), (24, 861340770), (27, 765636240), (30, 689072616), (36, 574227180), (40, 516804462), (45, 459381744), (48, 430670385), (54, 382818120), (60, 344536308), (72, 287113590), (80, 258402231), (81, 255212080), (90, 229690872), (108, 191409060), (120, 172268154), (135, 153127248), (144, 143556795), (162, 127606040), (180, 114845436), (216, 95704530), (240, 86134077), (270, 76563624), (324, 63803020), (360, 57422718), (405, 51042416), (432, 47852265), (540, 38281812), (648, 31901510), (720, 28711359), (810, 25521208), (1080, 19140906), (1296, 15950755), (1620, 12760604), (2160, 9570453), (3240, 6380302), (6480, 3190151)]