131257280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:803

約数の個数: 168

約数和(自身を含む): 397160496

約数和(自身を除く): 265903216

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 761, 770, 784, 880, 980, 1078, 1120, 1232, 1522, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2695, 3044, 3080, 3136, 3520, 3805, 3920, 4312, 4928, 5327, 5390, 6088, 6160, 7610, 7840, 8371, 8624, 10654, 10780, 12176, 12320, 15220, 15680, 16742, 17248, 21308, 21560, 24352, 24640, 26635, 30440, 33484, 34496, 37289, 41855, 42616, 43120, 48704, 53270, 58597, 60880, 66968, 74578, 83710, 85232, 86240, 106540, 117194, 121760, 133936, 149156, 167420, 170464, 172480, 186445, 213080, 234388, 243520, 267872, 292985, 298312, 334840, 340928, 372890, 410179, 426160, 468776, 535744, 585970, 596624, 669680, 745780, 820358, 852320, 937552, 1171940, 1193248, 1339360, 1491560, 1640716, 1704640, 1875104, 2050895, 2343880, 2386496, 2678720, 2983120, 3281432, 3750208, 4101790, 4687760, 5966240, 6562864, 8203580, 9375520, 11932480, 13125728, 16407160, 18751040, 26251456, 32814320, 65628640, 131257280]

約数ペア:

[(1, 131257280), (2, 65628640), (4, 32814320), (5, 26251456), (7, 18751040), (8, 16407160), (10, 13125728), (11, 11932480), (14, 9375520), (16, 8203580), (20, 6562864), (22, 5966240), (28, 4687760), (32, 4101790), (35, 3750208), (40, 3281432), (44, 2983120), (49, 2678720), (55, 2386496), (56, 2343880), (64, 2050895), (70, 1875104), (77, 1704640), (80, 1640716), (88, 1491560), (98, 1339360), (110, 1193248), (112, 1171940), (140, 937552), (154, 852320), (160, 820358), (176, 745780), (196, 669680), (220, 596624), (224, 585970), (245, 535744), (280, 468776), (308, 426160), (320, 410179), (352, 372890), (385, 340928), (392, 334840), (440, 298312), (448, 292985), (490, 267872), (539, 243520), (560, 234388), (616, 213080), (704, 186445), (761, 172480), (770, 170464), (784, 167420), (880, 149156), (980, 133936), (1078, 121760), (1120, 117194), (1232, 106540), (1522, 86240), (1540, 85232), (1568, 83710), (1760, 74578), (1960, 66968), (2156, 60880), (2240, 58597), (2464, 53270), (2695, 48704), (3044, 43120), (3080, 42616), (3136, 41855), (3520, 37289), (3805, 34496), (3920, 33484), (4312, 30440), (4928, 26635), (5327, 24640), (5390, 24352), (6088, 21560), (6160, 21308), (7610, 17248), (7840, 16742), (8371, 15680), (8624, 15220), (10654, 12320), (10780, 12176)]