2153640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 6557760

約数和(自身を除く): 4404120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 137, 262, 274, 393, 411, 524, 548, 655, 685, 786, 822, 1048, 1096, 1310, 1370, 1572, 1644, 1965, 2055, 2620, 2740, 3144, 3288, 3930, 4110, 5240, 5480, 7860, 8220, 15720, 16440, 17947, 35894, 53841, 71788, 89735, 107682, 143576, 179470, 215364, 269205, 358940, 430728, 538410, 717880, 1076820, 2153640]

約数ペア:

[(1, 2153640), (2, 1076820), (3, 717880), (4, 538410), (5, 430728), (6, 358940), (8, 269205), (10, 215364), (12, 179470), (15, 143576), (20, 107682), (24, 89735), (30, 71788), (40, 53841), (60, 35894), (120, 17947), (131, 16440), (137, 15720), (262, 8220), (274, 7860), (393, 5480), (411, 5240), (524, 4110), (548, 3930), (655, 3288), (685, 3144), (786, 2740), (822, 2620), (1048, 2055), (1096, 1965), (1310, 1644), (1370, 1572)]