1278849360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{41957}}^1$

素因数の和:42100

約数の個数: 80

約数和(自身を含む): 3995744256

約数和(自身を除く): 2716894896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 41957, 83914, 125871, 167828, 209785, 251742, 335656, 419570, 503484, 629355, 671312, 839140, 1006968, 1258710, 1678280, 2013936, 2517420, 3356560, 5034840, 5328539, 10069680, 10657078, 15985617, 21314156, 26642695, 31971234, 42628312, 53285390, 63942468, 79928085, 85256624, 106570780, 127884936, 159856170, 213141560, 255769872, 319712340, 426283120, 639424680, 1278849360]

約数ペア:

[(1, 1278849360), (2, 639424680), (3, 426283120), (4, 319712340), (5, 255769872), (6, 213141560), (8, 159856170), (10, 127884936), (12, 106570780), (15, 85256624), (16, 79928085), (20, 63942468), (24, 53285390), (30, 42628312), (40, 31971234), (48, 26642695), (60, 21314156), (80, 15985617), (120, 10657078), (127, 10069680), (240, 5328539), (254, 5034840), (381, 3356560), (508, 2517420), (635, 2013936), (762, 1678280), (1016, 1258710), (1270, 1006968), (1524, 839140), (1905, 671312), (2032, 629355), (2540, 503484), (3048, 419570), (3810, 335656), (5080, 251742), (6096, 209785), (7620, 167828), (10160, 125871), (15240, 83914), (30480, 41957)]