20130480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 68709888

約数和(自身を除く): 48579408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 383, 438, 584, 657, 720, 730, 766, 876, 1095, 1149, 1168, 1314, 1460, 1532, 1752, 1915, 2190, 2298, 2628, 2920, 3064, 3285, 3447, 3504, 3830, 4380, 4596, 5256, 5745, 5840, 6128, 6570, 6894, 7660, 8760, 9192, 10512, 11490, 13140, 13788, 15320, 17235, 17520, 18384, 22980, 26280, 27576, 27959, 30640, 34470, 45960, 52560, 55152, 55918, 68940, 83877, 91920, 111836, 137880, 139795, 167754, 223672, 251631, 275760, 279590, 335508, 419385, 447344, 503262, 559180, 671016, 838770, 1006524, 1118360, 1258155, 1342032, 1677540, 2013048, 2236720, 2516310, 3355080, 4026096, 5032620, 6710160, 10065240, 20130480]

約数ペア:

[(1, 20130480), (2, 10065240), (3, 6710160), (4, 5032620), (5, 4026096), (6, 3355080), (8, 2516310), (9, 2236720), (10, 2013048), (12, 1677540), (15, 1342032), (16, 1258155), (18, 1118360), (20, 1006524), (24, 838770), (30, 671016), (36, 559180), (40, 503262), (45, 447344), (48, 419385), (60, 335508), (72, 279590), (73, 275760), (80, 251631), (90, 223672), (120, 167754), (144, 139795), (146, 137880), (180, 111836), (219, 91920), (240, 83877), (292, 68940), (360, 55918), (365, 55152), (383, 52560), (438, 45960), (584, 34470), (657, 30640), (720, 27959), (730, 27576), (766, 26280), (876, 22980), (1095, 18384), (1149, 17520), (1168, 17235), (1314, 15320), (1460, 13788), (1532, 13140), (1752, 11490), (1915, 10512), (2190, 9192), (2298, 8760), (2628, 7660), (2920, 6894), (3064, 6570), (3285, 6128), (3447, 5840), (3504, 5745), (3830, 5256), (4380, 4596)]