201818240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 526417920

約数和(自身を除く): 324599680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 191, 208, 254, 260, 320, 382, 416, 508, 520, 635, 640, 764, 832, 955, 1016, 1040, 1270, 1528, 1651, 1664, 1910, 2032, 2080, 2483, 2540, 3056, 3302, 3820, 4064, 4160, 4966, 5080, 6112, 6604, 7640, 8128, 8255, 8320, 9932, 10160, 12224, 12415, 13208, 15280, 16256, 16510, 19864, 20320, 24257, 24448, 24830, 26416, 30560, 33020, 39728, 40640, 48514, 49660, 52832, 61120, 66040, 79456, 81280, 97028, 99320, 105664, 121285, 122240, 132080, 158912, 194056, 198640, 211328, 242570, 264160, 315341, 317824, 388112, 397280, 485140, 528320, 630682, 776224, 794560, 970280, 1056640, 1261364, 1552448, 1576705, 1589120, 1940560, 2522728, 3104896, 3153410, 3881120, 5045456, 6306820, 7762240, 10090912, 12613640, 15524480, 20181824, 25227280, 40363648, 50454560, 100909120, 201818240]

約数ペア:

[(1, 201818240), (2, 100909120), (4, 50454560), (5, 40363648), (8, 25227280), (10, 20181824), (13, 15524480), (16, 12613640), (20, 10090912), (26, 7762240), (32, 6306820), (40, 5045456), (52, 3881120), (64, 3153410), (65, 3104896), (80, 2522728), (104, 1940560), (127, 1589120), (128, 1576705), (130, 1552448), (160, 1261364), (191, 1056640), (208, 970280), (254, 794560), (260, 776224), (320, 630682), (382, 528320), (416, 485140), (508, 397280), (520, 388112), (635, 317824), (640, 315341), (764, 264160), (832, 242570), (955, 211328), (1016, 198640), (1040, 194056), (1270, 158912), (1528, 132080), (1651, 122240), (1664, 121285), (1910, 105664), (2032, 99320), (2080, 97028), (2483, 81280), (2540, 79456), (3056, 66040), (3302, 61120), (3820, 52832), (4064, 49660), (4160, 48514), (4966, 40640), (5080, 39728), (6112, 33020), (6604, 30560), (7640, 26416), (8128, 24830), (8255, 24448), (8320, 24257), (9932, 20320), (10160, 19864), (12224, 16510), (12415, 16256), (13208, 15280)]