266350760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 686897820

約数和(自身を除く): 420547060

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 169, 205, 248, 260, 310, 328, 338, 403, 410, 520, 533, 620, 676, 806, 820, 845, 961, 1066, 1240, 1271, 1352, 1612, 1640, 1690, 1922, 2015, 2132, 2542, 2665, 3224, 3380, 3844, 4030, 4264, 4805, 5084, 5239, 5330, 6355, 6760, 6929, 7688, 8060, 9610, 10168, 10478, 10660, 12493, 12710, 13858, 16120, 16523, 19220, 20956, 21320, 24986, 25420, 26195, 27716, 33046, 34645, 38440, 39401, 41912, 49972, 50840, 52390, 55432, 62465, 66092, 69290, 78802, 82615, 99944, 104780, 124930, 132184, 138580, 157604, 162409, 165230, 197005, 209560, 214799, 249860, 277160, 315208, 324818, 330460, 394010, 429598, 499720, 512213, 649636, 660920, 788020, 812045, 859196, 1024426, 1073995, 1299272, 1576040, 1624090, 1718392, 2048852, 2147990, 2561065, 3248180, 4097704, 4295980, 5122130, 6496360, 6658769, 8591960, 10244260, 13317538, 20488520, 26635076, 33293845, 53270152, 66587690, 133175380, 266350760]

約数ペア:

[(1, 266350760), (2, 133175380), (4, 66587690), (5, 53270152), (8, 33293845), (10, 26635076), (13, 20488520), (20, 13317538), (26, 10244260), (31, 8591960), (40, 6658769), (41, 6496360), (52, 5122130), (62, 4295980), (65, 4097704), (82, 3248180), (104, 2561065), (124, 2147990), (130, 2048852), (155, 1718392), (164, 1624090), (169, 1576040), (205, 1299272), (248, 1073995), (260, 1024426), (310, 859196), (328, 812045), (338, 788020), (403, 660920), (410, 649636), (520, 512213), (533, 499720), (620, 429598), (676, 394010), (806, 330460), (820, 324818), (845, 315208), (961, 277160), (1066, 249860), (1240, 214799), (1271, 209560), (1352, 197005), (1612, 165230), (1640, 162409), (1690, 157604), (1922, 138580), (2015, 132184), (2132, 124930), (2542, 104780), (2665, 99944), (3224, 82615), (3380, 78802), (3844, 69290), (4030, 66092), (4264, 62465), (4805, 55432), (5084, 52390), (5239, 50840), (5330, 49972), (6355, 41912), (6760, 39401), (6929, 38440), (7688, 34645), (8060, 33046), (9610, 27716), (10168, 26195), (10478, 25420), (10660, 24986), (12493, 21320), (12710, 20956), (13858, 19220), (16120, 16523)]