278360280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23431}}^1$

素因数の和:23462

約数の個数: 128

約数和(自身を含む): 1012262400

約数和(自身を除く): 733902120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 23431, 46862, 70293, 93724, 117155, 140586, 187448, 210879, 234310, 257741, 281172, 351465, 421758, 468620, 515482, 562344, 632637, 702930, 773223, 843516, 937240, 1030964, 1054395, 1265274, 1288705, 1405860, 1546446, 1687032, 2061928, 2108790, 2319669, 2530548, 2577410, 2811720, 3092892, 3163185, 3866115, 4217580, 4639338, 5061096, 5154820, 6185784, 6326370, 6959007, 7732230, 8435160, 9278676, 10309640, 11598345, 12652740, 13918014, 15464460, 18557352, 23196690, 25305480, 27836028, 30928920, 34795035, 46393380, 55672056, 69590070, 92786760, 139180140, 278360280]

約数ペア:

[(1, 278360280), (2, 139180140), (3, 92786760), (4, 69590070), (5, 55672056), (6, 46393380), (8, 34795035), (9, 30928920), (10, 27836028), (11, 25305480), (12, 23196690), (15, 18557352), (18, 15464460), (20, 13918014), (22, 12652740), (24, 11598345), (27, 10309640), (30, 9278676), (33, 8435160), (36, 7732230), (40, 6959007), (44, 6326370), (45, 6185784), (54, 5154820), (55, 5061096), (60, 4639338), (66, 4217580), (72, 3866115), (88, 3163185), (90, 3092892), (99, 2811720), (108, 2577410), (110, 2530548), (120, 2319669), (132, 2108790), (135, 2061928), (165, 1687032), (180, 1546446), (198, 1405860), (216, 1288705), (220, 1265274), (264, 1054395), (270, 1030964), (297, 937240), (330, 843516), (360, 773223), (396, 702930), (440, 632637), (495, 562344), (540, 515482), (594, 468620), (660, 421758), (792, 351465), (990, 281172), (1080, 257741), (1188, 234310), (1320, 210879), (1485, 187448), (1980, 140586), (2376, 117155), (2970, 93724), (3960, 70293), (5940, 46862), (11880, 23431)]