131022080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{2089}}^1$

素因数の和:2124

約数の個数: 108

約数和(自身を含む): 365252580

約数和(自身を除く): 234230500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2089, 2240, 3136, 3920, 4178, 4480, 6272, 7840, 8356, 8960, 10445, 12544, 14623, 15680, 16712, 20890, 29246, 31360, 33424, 41780, 58492, 62720, 66848, 73115, 83560, 102361, 116984, 133696, 146230, 167120, 204722, 233968, 267392, 292460, 334240, 409444, 467936, 511805, 534784, 584920, 668480, 818888, 935872, 1023610, 1169840, 1336960, 1637776, 1871744, 2047220, 2339680, 2673920, 3275552, 3743488, 4094440, 4679360, 6551104, 8188880, 9358720, 13102208, 16377760, 18717440, 26204416, 32755520, 65511040, 131022080]

約数ペア:

[(1, 131022080), (2, 65511040), (4, 32755520), (5, 26204416), (7, 18717440), (8, 16377760), (10, 13102208), (14, 9358720), (16, 8188880), (20, 6551104), (28, 4679360), (32, 4094440), (35, 3743488), (40, 3275552), (49, 2673920), (56, 2339680), (64, 2047220), (70, 1871744), (80, 1637776), (98, 1336960), (112, 1169840), (128, 1023610), (140, 935872), (160, 818888), (196, 668480), (224, 584920), (245, 534784), (256, 511805), (280, 467936), (320, 409444), (392, 334240), (448, 292460), (490, 267392), (560, 233968), (640, 204722), (784, 167120), (896, 146230), (980, 133696), (1120, 116984), (1280, 102361), (1568, 83560), (1792, 73115), (1960, 66848), (2089, 62720), (2240, 58492), (3136, 41780), (3920, 33424), (4178, 31360), (4480, 29246), (6272, 20890), (7840, 16712), (8356, 15680), (8960, 14623), (10445, 12544)]