278021640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5749}}^1$

素因数の和:5807

約数の個数: 128

約数和(自身を含む): 927360000

約数和(自身を除く): 649338360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 5749, 6045, 8060, 9672, 11498, 12090, 16120, 17247, 22996, 24180, 28745, 34494, 45992, 48360, 57490, 68988, 74737, 86235, 114980, 137976, 149474, 172470, 178219, 224211, 229960, 298948, 344940, 356438, 373685, 448422, 534657, 597896, 689880, 712876, 747370, 891095, 896844, 1069314, 1121055, 1425752, 1494740, 1782190, 1793688, 2138628, 2242110, 2316847, 2673285, 2989480, 3564380, 4277256, 4484220, 4633694, 5346570, 6950541, 7128760, 8968440, 9267388, 10693140, 11584235, 13901082, 18534776, 21386280, 23168470, 27802164, 34752705, 46336940, 55604328, 69505410, 92673880, 139010820, 278021640]

約数ペア:

[(1, 278021640), (2, 139010820), (3, 92673880), (4, 69505410), (5, 55604328), (6, 46336940), (8, 34752705), (10, 27802164), (12, 23168470), (13, 21386280), (15, 18534776), (20, 13901082), (24, 11584235), (26, 10693140), (30, 9267388), (31, 8968440), (39, 7128760), (40, 6950541), (52, 5346570), (60, 4633694), (62, 4484220), (65, 4277256), (78, 3564380), (93, 2989480), (104, 2673285), (120, 2316847), (124, 2242110), (130, 2138628), (155, 1793688), (156, 1782190), (186, 1494740), (195, 1425752), (248, 1121055), (260, 1069314), (310, 896844), (312, 891095), (372, 747370), (390, 712876), (403, 689880), (465, 597896), (520, 534657), (620, 448422), (744, 373685), (780, 356438), (806, 344940), (930, 298948), (1209, 229960), (1240, 224211), (1560, 178219), (1612, 172470), (1860, 149474), (2015, 137976), (2418, 114980), (3224, 86235), (3720, 74737), (4030, 68988), (4836, 57490), (5749, 48360), (6045, 45992), (8060, 34494), (9672, 28745), (11498, 24180), (12090, 22996), (16120, 17247)]