265722080

素因数分解:

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

素因数の和:389

約数の個数: 144

約数和(自身を含む): 703914624

約数和(自身を除く): 438192544

約数列:

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

約数ペア:

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