531444160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 168

約数和(自身を含む): 1419002496

約数和(自身を除く): 887558336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 317, 320, 338, 403, 416, 496, 520, 620, 634, 676, 806, 832, 845, 992, 1040, 1240, 1268, 1352, 1585, 1612, 1690, 1984, 2015, 2080, 2480, 2536, 2704, 3170, 3224, 3380, 4030, 4121, 4160, 4960, 5072, 5239, 5408, 6340, 6448, 6760, 8060, 8242, 9827, 9920, 10144, 10478, 10816, 12680, 12896, 13520, 16120, 16484, 19654, 20288, 20605, 20956, 25360, 25792, 26195, 27040, 32240, 32968, 39308, 41210, 41912, 49135, 50720, 52390, 53573, 54080, 64480, 65936, 78616, 82420, 83824, 98270, 101440, 104780, 107146, 127751, 128960, 131872, 157232, 164840, 167648, 196540, 209560, 214292, 255502, 263744, 267865, 314464, 329680, 335296, 393080, 419120, 428584, 511004, 535730, 628928, 638755, 659360, 786160, 838240, 857168, 1022008, 1071460, 1277510, 1318720, 1572320, 1660763, 1676480, 1714336, 2044016, 2142920, 2555020, 3144640, 3321526, 3428672, 4088032, 4285840, 5110040, 6643052, 8176064, 8303815, 8571680, 10220080, 13286104, 16607630, 17143360, 20440160, 26572208, 33215260, 40880320, 53144416, 66430520, 106288832, 132861040, 265722080, 531444160]

約数ペア:

[(1, 531444160), (2, 265722080), (4, 132861040), (5, 106288832), (8, 66430520), (10, 53144416), (13, 40880320), (16, 33215260), (20, 26572208), (26, 20440160), (31, 17143360), (32, 16607630), (40, 13286104), (52, 10220080), (62, 8571680), (64, 8303815), (65, 8176064), (80, 6643052), (104, 5110040), (124, 4285840), (130, 4088032), (155, 3428672), (160, 3321526), (169, 3144640), (208, 2555020), (248, 2142920), (260, 2044016), (310, 1714336), (317, 1676480), (320, 1660763), (338, 1572320), (403, 1318720), (416, 1277510), (496, 1071460), (520, 1022008), (620, 857168), (634, 838240), (676, 786160), (806, 659360), (832, 638755), (845, 628928), (992, 535730), (1040, 511004), (1240, 428584), (1268, 419120), (1352, 393080), (1585, 335296), (1612, 329680), (1690, 314464), (1984, 267865), (2015, 263744), (2080, 255502), (2480, 214292), (2536, 209560), (2704, 196540), (3170, 167648), (3224, 164840), (3380, 157232), (4030, 131872), (4121, 128960), (4160, 127751), (4960, 107146), (5072, 104780), (5239, 101440), (5408, 98270), (6340, 83824), (6448, 82420), (6760, 78616), (8060, 65936), (8242, 64480), (9827, 54080), (9920, 53573), (10144, 52390), (10478, 50720), (10816, 49135), (12680, 41912), (12896, 41210), (13520, 39308), (16120, 32968), (16484, 32240), (19654, 27040), (20288, 26195), (20605, 25792), (20956, 25360)]