155282680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 414305280

約数和(自身を除く): 259022600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 73, 107, 140, 142, 146, 214, 280, 284, 292, 355, 365, 428, 497, 511, 535, 568, 584, 710, 730, 749, 856, 994, 1022, 1070, 1420, 1460, 1498, 1988, 2044, 2140, 2485, 2555, 2840, 2920, 2996, 3745, 3976, 4088, 4280, 4970, 5110, 5183, 5992, 7490, 7597, 7811, 9940, 10220, 10366, 14980, 15194, 15622, 19880, 20440, 20732, 25915, 29960, 30388, 31244, 36281, 37985, 39055, 41464, 51830, 53179, 54677, 60776, 62488, 72562, 75970, 78110, 103660, 106358, 109354, 145124, 151940, 156220, 181405, 207320, 212716, 218708, 265895, 273385, 290248, 303880, 312440, 362810, 425432, 437416, 531790, 546770, 554581, 725620, 1063580, 1093540, 1109162, 1451240, 2127160, 2187080, 2218324, 2772905, 3882067, 4436648, 5545810, 7764134, 11091620, 15528268, 19410335, 22183240, 31056536, 38820670, 77641340, 155282680]

約数ペア:

[(1, 155282680), (2, 77641340), (4, 38820670), (5, 31056536), (7, 22183240), (8, 19410335), (10, 15528268), (14, 11091620), (20, 7764134), (28, 5545810), (35, 4436648), (40, 3882067), (56, 2772905), (70, 2218324), (71, 2187080), (73, 2127160), (107, 1451240), (140, 1109162), (142, 1093540), (146, 1063580), (214, 725620), (280, 554581), (284, 546770), (292, 531790), (355, 437416), (365, 425432), (428, 362810), (497, 312440), (511, 303880), (535, 290248), (568, 273385), (584, 265895), (710, 218708), (730, 212716), (749, 207320), (856, 181405), (994, 156220), (1022, 151940), (1070, 145124), (1420, 109354), (1460, 106358), (1498, 103660), (1988, 78110), (2044, 75970), (2140, 72562), (2485, 62488), (2555, 60776), (2840, 54677), (2920, 53179), (2996, 51830), (3745, 41464), (3976, 39055), (4088, 37985), (4280, 36281), (4970, 31244), (5110, 30388), (5183, 29960), (5992, 25915), (7490, 20732), (7597, 20440), (7811, 19880), (9940, 15622), (10220, 15194), (10366, 14980)]